diff --git a/testsuite/css/style/Empty.css b/testsuite/css/style/gtk.css
similarity index 100%
rename from testsuite/css/style/Empty.css
rename to testsuite/css/style/gtk.css
diff --git a/testsuite/css/style/test-css-style.gresource.xml b/testsuite/css/style/test-css-style.gresource.xml
index 1625b862d8..ac116a5139 100644
--- a/testsuite/css/style/test-css-style.gresource.xml
+++ b/testsuite/css/style/test-css-style.gresource.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <gresources>
-  <gresource prefix="/org/gtk/libgtk/theme">
-    <file>Empty.css</file>
+  <gresource prefix="/org/gtk/libgtk/theme/Empty">
+    <file>gtk.css</file>
   </gresource>
 </gresources>