@@ -983,10 +983,13 @@
 			  authorityRecords: authorityRecords
 			 additionalRecords: additionalRecords];
 	} @catch (id e) {
 		exception = e;
 	}
+
+	if (exception != nil)
+		response = nil;
 
 	if ([context->_delegate respondsToSelector:
 	    @selector(resolver:didPerformQuery:response:exception:)])
 		[context->_delegate resolver: self
 			     didPerformQuery: context->_query