diff --git a/Netdisco/views/ajax/device/ports.tt b/Netdisco/views/ajax/device/ports.tt
index e52bf531..bfa023e8 100644
--- a/Netdisco/views/ajax/device/ports.tt
+++ b/Netdisco/views/ajax/device/ports.tt
@@ -69,7 +69,7 @@
[% SET count = 0 %]
[% FOREACH vlan IN row.tagged_vlans %]
[% SET output = output _
- '' _ vlan.vlan _ '' %]
+ '' _ vlan.vlan _ '' %]
[% SET output = output _ ', ' IF NOT loop.last %]
[% SET count = count + 1 %]
[% END %]