diff --git a/src/stores/GroupStore.js b/src/stores/GroupStore.js
index 23ce5314ec..f4a66f432f 100644
--- a/src/stores/GroupStore.js
+++ b/src/stores/GroupStore.js
@@ -62,6 +62,11 @@ function limitConcurrency(fn) {
         }
     })
     .then(fn)
+    .catch((err) => {
+        ongoingRequestCount--;
+        checkBacklog();
+        throw err;
+    })
     .then((result) => {
         ongoingRequestCount--;
         checkBacklog();