diff --git a/wallet/lib/services/data_stores/remote_data_store.dart b/wallet/lib/services/data_stores/remote_data_store.dart
index 27b933810a..a2d610c3a7 100644
--- a/wallet/lib/services/data_stores/remote_data_store.dart
+++ b/wallet/lib/services/data_stores/remote_data_store.dart
@@ -1315,7 +1315,7 @@ class RemoteDataStoreImp implements RemoteDataStore {
     final recipeProto3Json = recipe.toProto3Json()! as Map;
     recipeProto3Json.remove(kCreatedAtCamelCase);
     recipeProto3Json.remove(kUpdatedAtCamelCase);
-    recipeProto3Json.putIfAbsent("isStamped", true)
+    recipeProto3Json.putIfAbsent("isStamped", true as Function());
 
     final msgUpdateRecipe = pylons.MsgUpdateRecipe.create()..mergeFromProto3Json(recipeProto3Json);
     msgUpdateRecipe.version = msgUpdateRecipe.version.incrementRecipeVersion();