diff --git a/extensions/screenshot-window-sizer/org.gnome.shell.extensions.screenshot-window-sizer.gschema.xml b/extensions/screenshot-window-sizer/org.gnome.shell.extensions.screenshot-window-sizer.gschema.xml
index 8103d33a..854890a3 100644
--- a/extensions/screenshot-window-sizer/org.gnome.shell.extensions.screenshot-window-sizer.gschema.xml
+++ b/extensions/screenshot-window-sizer/org.gnome.shell.extensions.screenshot-window-sizer.gschema.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<schemalist>
+<schemalist gettext-domain="gnome-shell-extensions">
   <schema id="org.gnome.shell.extensions.screenshot-window-sizer"
           path="/org/gnome/shell/extensions/screenshot-window-sizer/">
     <key type="as" name="cycle-screenshot-sizes">