diff --git a/hw/xquartz/bundle/server-main.c b/hw/xquartz/bundle/server-main.c
index 205e87c89..7e1bd7025 100644
--- a/hw/xquartz/bundle/server-main.c
+++ b/hw/xquartz/bundle/server-main.c
@@ -138,7 +138,7 @@ read_boolean_pref (CFStringRef name, int default_)
     int value;
     Boolean ok;
 	
-    value = CFPreferencesGetAppBooleanValue (name, CFSTR ("org.x.x11"), &ok);
+    value = CFPreferencesGetAppBooleanValue (name, CFSTR ("org.x.X11"), &ok);
     return ok ? value : default_;
 }