diff --git a/demos/gtk-demo/suggestionentry.h b/demos/gtk-demo/suggestionentry.h
index ede791c961..9dce18fc9c 100644
--- a/demos/gtk-demo/suggestionentry.h
+++ b/demos/gtk-demo/suggestionentry.h
@@ -43,7 +43,7 @@ GtkListItemFactory *
                 suggestion_entry_get_factory        (SuggestionEntry     *self);
 
 void            suggestion_entry_set_use_filter     (SuggestionEntry     *self,
-                                                     gboolean             use_ilter);
+                                                     gboolean             use_filter);
 gboolean        suggestion_entry_get_use_filter     (SuggestionEntry     *self);
 
 void            suggestion_entry_set_expression     (SuggestionEntry     *self,