diff --git a/Netdisco/Changes b/Netdisco/Changes
index 746506bb..e369bd9a 100644
--- a/Netdisco/Changes
+++ b/Netdisco/Changes
@@ -10,6 +10,7 @@
   * [#250] Linux SSHColletor cannot handle uppercase MACs
   * Return from device discover if device is unknown
   * Safely continue macsuck if neighbor cannot be resolved
+  * [#261] String replace failed in reports (M. Kosmach)
 
 2.033004 - 2015-11-16
 
diff --git a/Netdisco/share/views/ajax/report/apchanneldist.tt b/Netdisco/share/views/ajax/report/apchanneldist.tt
index 22f16d74..5dd9b556 100644
--- a/Netdisco/share/views/ajax/report/apchanneldist.tt
+++ b/Netdisco/share/views/ajax/report/apchanneldist.tt
@@ -20,7 +20,7 @@ $(document).ready(function() {
         "data": 'ch_count',
         "searchable": false,
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }
     ],
diff --git a/Netdisco/share/views/ajax/report/apclients.tt b/Netdisco/share/views/ajax/report/apclients.tt
index ca64c4f8..c3fc8cd3 100644
--- a/Netdisco/share/views/ajax/report/apclients.tt
+++ b/Netdisco/share/views/ajax/report/apclients.tt
@@ -53,7 +53,7 @@ $(document).ready(function() {
         "data": 'mac_count',
         "searchable": false,
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }
     ],
diff --git a/Netdisco/share/views/ajax/report/devicepoestatus.tt b/Netdisco/share/views/ajax/report/devicepoestatus.tt
index 76e0ec33..3ff2d9a5 100644
--- a/Netdisco/share/views/ajax/report/devicepoestatus.tt
+++ b/Netdisco/share/views/ajax/report/devicepoestatus.tt
@@ -102,49 +102,49 @@ $(document).ready(function() {
         "className": "nd_center-cell",
         "searchable": false,
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }, {
         "data": 'poe_capable_ports',
         "className": "nd_center-cell",
         "searchable": false,
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }, {
         "data": 'poe_powered_ports',
         "className": "nd_center-cell",
         "searchable": false,
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }, {
         "data": 'poe_disabled_ports',
         "className": "nd_center-cell",
         "searchable": false,
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }, {
         "data": 'poe_errored_ports',
         "className": "nd_center-cell",
         "searchable": false,
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }, {
         "data": 'poe_power_committed',
         "className": "nd_center-cell",
         "searchable": false,
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }, {
         "data": 'poe_power_delivering',
         "className": "nd_center-cell",
         "searchable": false,
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }
     ],
diff --git a/Netdisco/share/views/ajax/report/moduleinventory.tt b/Netdisco/share/views/ajax/report/moduleinventory.tt
index 19c0ab6c..9c6576b8 100644
--- a/Netdisco/share/views/ajax/report/moduleinventory.tt
+++ b/Netdisco/share/views/ajax/report/moduleinventory.tt
@@ -100,7 +100,7 @@ $(document).ready(function() {
       }, {
         "data": 'count',
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }
     ],
diff --git a/Netdisco/share/views/ajax/report/netbios.tt b/Netdisco/share/views/ajax/report/netbios.tt
index 6134b412..81205920 100644
--- a/Netdisco/share/views/ajax/report/netbios.tt
+++ b/Netdisco/share/views/ajax/report/netbios.tt
@@ -80,7 +80,7 @@ $(document).ready(function() {
       }, {
         "data": 'count',
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }
     ],
diff --git a/Netdisco/share/views/ajax/report/nodemultiips.tt b/Netdisco/share/views/ajax/report/nodemultiips.tt
index 1d70e853..1348d067 100644
--- a/Netdisco/share/views/ajax/report/nodemultiips.tt
+++ b/Netdisco/share/views/ajax/report/nodemultiips.tt
@@ -36,7 +36,7 @@ $(document).ready(function() {
         "data": 'ip_count',
         "searchable": false,
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }
     ],
diff --git a/Netdisco/share/views/ajax/report/nodevendor.tt b/Netdisco/share/views/ajax/report/nodevendor.tt
index 0f6f70b0..178dda66 100644
--- a/Netdisco/share/views/ajax/report/nodevendor.tt
+++ b/Netdisco/share/views/ajax/report/nodevendor.tt
@@ -76,7 +76,7 @@ $(document).ready(function() {
       }, {
         "data": 'count',
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }
     ],
diff --git a/Netdisco/share/views/ajax/report/portmultinodes.tt b/Netdisco/share/views/ajax/report/portmultinodes.tt
index 8482edfd..8b45c411 100644
--- a/Netdisco/share/views/ajax/report/portmultinodes.tt
+++ b/Netdisco/share/views/ajax/report/portmultinodes.tt
@@ -38,7 +38,7 @@ $(document).ready(function() {
         "data": 'mac_count',
         "searchable": false,
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }
     ],
diff --git a/Netdisco/share/views/ajax/report/portssid.tt b/Netdisco/share/views/ajax/report/portssid.tt
index 23e5e9e8..6aaf5a4e 100644
--- a/Netdisco/share/views/ajax/report/portssid.tt
+++ b/Netdisco/share/views/ajax/report/portssid.tt
@@ -75,7 +75,7 @@ $(document).ready(function() {
         "data": 'count',
         "searchable": false,
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       },
     ],
diff --git a/Netdisco/share/views/ajax/report/portutilization.tt b/Netdisco/share/views/ajax/report/portutilization.tt
index cb1ec9d7..7900e4ee 100644
--- a/Netdisco/share/views/ajax/report/portutilization.tt
+++ b/Netdisco/share/views/ajax/report/portutilization.tt
@@ -25,25 +25,25 @@ $(document).ready(function() {
                 "data": 'port_count',
                 "searchable": false,
                 "render": function(data, type, row, meta) {
-                    return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+                    return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
                 }
             }, {
                 "data": 'ports_in_use',
                 "searchable": false,
                 "render": function(data, type, row, meta) {
-                    return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+                    return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
                 }
             }, {
                 "data": 'ports_shutdown',
                 "searchable": false,
                 "render": function(data, type, row, meta) {
-                    return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+                    return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
                 }
             }, {
                 "data": 'ports_free',
                 "searchable": false,
                 "render": function(data, type, row, meta) {
-                    return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+                    return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
                 }
             }
         ],
diff --git a/Netdisco/share/views/ajax/report/vlaninventory.tt b/Netdisco/share/views/ajax/report/vlaninventory.tt
index 5b27c15d..88c041b9 100644
--- a/Netdisco/share/views/ajax/report/vlaninventory.tt
+++ b/Netdisco/share/views/ajax/report/vlaninventory.tt
@@ -29,13 +29,13 @@ $(document).ready(function() {
         "data": 'dcount',
         "searchable": false,
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }, {
         "data": 'pcount',
         "searchable": false,
         "render": function(data, type, row, meta) {
-          return data.replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+          return data.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
         }
       }
     ],