diff --git a/backend/api/controllers/result.ts b/backend/api/controllers/result.ts
index 27e31e063..9090707e8 100644
--- a/backend/api/controllers/result.ts
+++ b/backend/api/controllers/result.ts
@@ -78,7 +78,10 @@ class ResultController {
     const resulthash = result.hash;
     delete result.hash;
     delete result.stringified;
-    if (req.ctx.configuration.resultObjectHashCheck.enabled) {
+    if (
+      req.ctx.configuration.resultObjectHashCheck.enabled &&
+      resulthash.length === 40
+    ) {
       //if its not 64 that means client is still using old hashing package
       const serverhash = objectHash(result);
       if (serverhash !== resulthash) {