diff --git a/quickdialog/QRootBuilder.m b/quickdialog/QRootBuilder.m
index c5758cb0..7e070f5b 100644
--- a/quickdialog/QRootBuilder.m
+++ b/quickdialog/QRootBuilder.m
@@ -58,6 +58,8 @@ + (void)trySetProperty:(NSString *)propertyName onObject:(id)target withValue:(i
         [target setValue:itemsTranslated forKeyPath:propertyName];
     } else if ([value isKindOfClass:[NSDictionary class]]){
         [target setValue:value forKeyPath:propertyName];
+    } else if (value == [NSNull null]) {
+        [target setValue:nil forKeyPath:propertyName];
     } else if ([value isKindOfClass:[NSObject class]]){
         [target setValue:value forKeyPath:propertyName];
     } else if (value == nil){