diff --git a/MVMCoreUI/FormUIHelpers/FormValidator.swift b/MVMCoreUI/FormUIHelpers/FormValidator.swift
index bed97391..9eb777d6 100644
--- a/MVMCoreUI/FormUIHelpers/FormValidator.swift
+++ b/MVMCoreUI/FormUIHelpers/FormValidator.swift
@@ -146,7 +146,7 @@ public extension FormValidator {
         
         for actionItem in groupWatchers {
             if let buttonModel = actionItem as? ButtonModel,
-                pageType == (buttonModel.action as? ActionOpenPageModel)?.pageType {
+                pageType == (buttonModel.action as? ActionOpenPageProtocol)?.pageType {
                 return buttonModel.groupName
             }
         }