diff --git a/tools/gtk4builder.loc b/tools/gtk4builder.loc
index 5d77e4841c..efbb509ec9 100644
--- a/tools/gtk4builder.loc
+++ b/tools/gtk4builder.loc
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <locatingRules>
   <locatingRule name="GtkBuilder" pattern="*.ui">
-    <documentRule localName="interface" target="gtkbuilder.its"/>
+    <documentRule localName="interface" target="gtk4builder.its"/>
   </locatingRule>
 </locatingRules>