diff --git a/package/gluon-mesh-babel/files/lib/gluon/upgrade/330-gluon-mesh-babel-interfaces b/package/gluon-mesh-babel/files/lib/gluon/upgrade/330-gluon-mesh-babel-interfaces
index 4c1e7bec..a50ab48b 100755
--- a/package/gluon-mesh-babel/files/lib/gluon/upgrade/330-gluon-mesh-babel-interfaces
+++ b/package/gluon-mesh-babel/files/lib/gluon/upgrade/330-gluon-mesh-babel-interfaces
@@ -16,11 +16,11 @@ end
 
 uci:delete_all('babeld', 'interface')
 
-pcall( function() 
-for interface in io.lines(interfaces) do 
-  int = string.gsub(interface,'[.-]','_')
-  uci:section('babeld', 'interface', 'interface_' .. int, { ifname = interface })
-end
+pcall(function() 
+  for interface in io.lines(interfaces) do 
+    int = string.gsub(interface,'[.-]','_')
+    uci:section('babeld', 'interface', 'interface_' .. int, { ifname = interface })
+  end
 end)
 
 uci:add_to_set('firewall', 'mesh_babel', 'network', 'client')