diff --git a/Source/externs.m b/Source/externs.m
index 86e7855e1..f09e5f79b 100644
--- a/Source/externs.m
+++ b/Source/externs.m
@@ -124,7 +124,7 @@ NSString* NSGlobalDomain = @"NSGlobalDomain";
 NSString* NSRegistrationDomain = @"NSRegistrationDomain";
 
 /* Public notification */
-NSString *NSUserDefaultsChanged = @"NSUserDefaultsChanged";
+NSString *NSUserDefaultsDidChange = @"NSUserDefaultsDidChange";
 
 /* Keys for language-dependent information */
 NSString *NSWeekDayNameArray = @"NSWeekDayNameArray";