diff --git a/impls/objc/types.m b/impls/objc/types.m
index 356c746223..a935034a89 100644
--- a/impls/objc/types.m
+++ b/impls/objc/types.m
@@ -169,6 +169,19 @@ BOOL equal_Q(NSObject * a, NSObject * b) {
         return true;
     } else if ([a isKindOfClass:[NSNumber class]]) {
         return [(NSNumber *)a intValue] == [(NSNumber *)b intValue];
+    } else if ([a isKindOfClass:[NSDictionary class]]) {
+        //  isEqual see differences in metadata.
+        NSDictionary * da = (NSDictionary *)a;
+        NSDictionary * db = (NSDictionary *)b;
+        if ([da count] != [db count]) {
+            return false;
+        }
+        for (NSString * key in da) {
+            if (! equal_Q(da[key], db[key])) {
+                return false;
+            }
+        }
+        return true;
     } else {
         return [a isEqual:b];
     }