diff --git a/src/app/api/user/[uid]/workflows/route.ts b/src/app/api/user/[uid]/workflows/route.ts
index b7acda1..40e869b 100644
--- a/src/app/api/user/[uid]/workflows/route.ts
+++ b/src/app/api/user/[uid]/workflows/route.ts
@@ -24,7 +24,7 @@ export async function GET(
   });
 
   if (!workflows.length) {
-    return NextResponse.json("No workflows found", { status: 404 });
+    return NextResponse.json([], { status: 200 });
   }
 
   const res = workflows.map(
diff --git a/src/lib/workflow/Workflow.ts b/src/lib/workflow/Workflow.ts
index 9a7388e..c37ee90 100644
--- a/src/lib/workflow/Workflow.ts
+++ b/src/lib/workflow/Workflow.ts
@@ -436,12 +436,7 @@ export class Runner extends Base {
         }
 
         const sources = workflow.operations.filter((operation) => {
-          return workflow.operations.some((otherOperation) => {
-            return (
-              otherOperation.sources?.includes(operation.id) &&
-              otherOperation.id !== operation.id
-            );
-          });
+          return !operation.sources || operation.sources.length === 0;
         });
 
         for (const source of sources) {