diff --git a/UI/Common/UIxAclEditor.m b/UI/Common/UIxAclEditor.m
index 7b00e62d0..b6917d56d 100644
--- a/UI/Common/UIxAclEditor.m
+++ b/UI/Common/UIxAclEditor.m
@@ -21,6 +21,7 @@
  */
 
 #import <Foundation/NSArray.h>
+#import <Foundation/NSDictionary.h>
 #import <Foundation/NSKeyValueCoding.h>
 #import <NGObjWeb/SoUser.h>
 #import <NGObjWeb/WORequest.h>