diff --git a/Source/NSArray.m b/Source/NSArray.m
index 5ad11eeb1..1b44aad8b 100644
--- a/Source/NSArray.m
+++ b/Source/NSArray.m
@@ -27,6 +27,7 @@
 #include <Foundation/NSGArray.h>
 #include <limits.h>
 #include <Foundation/NSUtilities.h>
+#include <Foundation/NSException.h>
 
 @interface NSArrayEnumerator : NSEnumerator
 {