diff --git a/src/shared-module/bindings.guard.ts b/src/shared-module/bindings.guard.ts
index f9a9069..4d7d933 100644
--- a/src/shared-module/bindings.guard.ts
+++ b/src/shared-module/bindings.guard.ts
@@ -934,7 +934,10 @@ export function isExerciseServiceInfoApi(obj: unknown): obj is ExerciseServiceIn
     typeof typedObj["user_interface_iframe_path"] === "string" &&
     typeof typedObj["grade_endpoint_path"] === "string" &&
     typeof typedObj["public_spec_endpoint_path"] === "string" &&
-    typeof typedObj["model_solution_spec_endpoint_path"] === "string"
+    typeof typedObj["model_solution_spec_endpoint_path"] === "string" &&
+    (typeof typedObj["has_custom_view"] === "undefined" ||
+      typedObj["has_custom_view"] === false ||
+      typedObj["has_custom_view"] === true)
   )
 }
 
diff --git a/src/shared-module/bindings.ts b/src/shared-module/bindings.ts
index 63e3349..d3905c4 100644
--- a/src/shared-module/bindings.ts
+++ b/src/shared-module/bindings.ts
@@ -455,6 +455,7 @@ export interface ExerciseServiceInfoApi {
   grade_endpoint_path: string
   public_spec_endpoint_path: string
   model_solution_spec_endpoint_path: string
+  has_custom_view?: boolean
 }
 
 export interface ExerciseService {