diff --git a/gio/gregistrysettingsbackend.c b/gio/gregistrysettingsbackend.c
index 26de2518c..0afe54b27 100644
--- a/gio/gregistrysettingsbackend.c
+++ b/gio/gregistrysettingsbackend.c
@@ -98,7 +98,7 @@
 //#define TRACE
 
 /* GSettings' limit */
-#define MAX_KEY_NAME_LENGTH   32
+#define MAX_KEY_NAME_LENGTH   128
 
 /* Testing (on Windows XP SP3) shows that WaitForMultipleObjects fails with
  * "The parameter is incorrect" after 64 watches. We need one for the