diff --git a/Utils.cpp b/Utils.cpp
index 3cc7d209..da2f82a6 100644
--- a/Utils.cpp
+++ b/Utils.cpp
@@ -334,7 +334,7 @@ obs_scene_t* Utils::GetPreviewScene()
 	return nullptr;
 }
 
-void Utils::SetPreviewScene(const char* name)
+bool Utils::SetPreviewScene(const char* name)
 {
 	if (IsPreviewModeActive())
 	{
@@ -342,7 +342,14 @@ void Utils::SetPreviewScene(const char* name)
 		QList<QListWidgetItem*> matchingItems = sceneList->findItems(name, Qt::MatchExactly);
 
 		if (matchingItems.count() > 0)
+		{
 			sceneList->setCurrentItem(matchingItems.first());
+			return true;
+		}
+		else
+		{
+			return false;
+		}
 	}
 }
 
diff --git a/Utils.h b/Utils.h
index c0e39398..7e52faa4 100644
--- a/Utils.h
+++ b/Utils.h
@@ -59,7 +59,7 @@ class Utils
 		static void TogglePreviewMode();
 
 		static obs_scene_t* GetPreviewScene();
-		static void SetPreviewScene(const char* name);
+		static bool SetPreviewScene(const char* name);
 		static void TransitionToProgram();
 
 		static const char* OBSVersionString();
diff --git a/WSRequestHandler.cpp b/WSRequestHandler.cpp
index ffaab8bc..67eb67b9 100644
--- a/WSRequestHandler.cpp
+++ b/WSRequestHandler.cpp
@@ -943,9 +943,12 @@ void WSRequestHandler::HandleSetPreviewScene(WSRequestHandler *req)
 	}
 
 	const char* scene_name = obs_data_get_string(req->data, "scene-name");
-	Utils::SetPreviewScene(scene_name);
+	bool success = Utils::SetPreviewScene(scene_name);
 
-	req->SendOKResponse();
+	if (success)
+		req->SendOKResponse();
+	else
+		req->SendErrorResponse("specified scene doesn't exist");
 }
 
 void WSRequestHandler::HandleTransitionToProgram(WSRequestHandler *req)