diff --git a/MVMCore/MVMCore/ActionHandling/ActionOpenPageHandler.swift b/MVMCore/MVMCore/ActionHandling/ActionOpenPageHandler.swift
index 989971a..2f79085 100644
--- a/MVMCore/MVMCore/ActionHandling/ActionOpenPageHandler.swift
+++ b/MVMCore/MVMCore/ActionHandling/ActionOpenPageHandler.swift
@@ -11,9 +11,19 @@ import Foundation
 open class ActionOpenPageHandler: MVMCoreJSONActionHandlerProtocol {
     required public init() {}
         
+    func requestParamaters(for model: ActionOpenPageModel) -> MVMCoreRequestParameters {
+        let requestParameters = model.requestParameters.copy() as! MVMCoreRequestParameters
+        if let pageType = requestParameters.pageType {
+            // Re-evaluate required & optional modules as action models might have been generated prior to recent additions to the mapping.
+            requestParameters.modules = MVMCoreViewControllerMappingObject.shared()?.modulesRequired(forPageType: pageType) as? [String]
+            requestParameters.optionalModules = MVMCoreViewControllerMappingObject.shared()?.modulesOptional(forPageType: pageType) as? [String]
+        }
+        return requestParameters
+    }
+
     open func performAction(with JSON: [AnyHashable : Any], model: ActionModelProtocol, delegateObject: DelegateObject?, additionalData: [AnyHashable : Any]?) async throws {
         guard let model = model as? ActionOpenPageModel else { return }
-        let requestParameters: MVMCoreRequestParameters = model.requestParameters.copy() as! MVMCoreRequestParameters
+        let requestParameters = requestParamaters(for: model)
         do {
             if let closure = delegateObject?.actionDelegate?.handleOpenPage {
                 // Legacy code will use the old handler function and break the task chain here.