diff --git a/src/matrix/Sync.js b/src/matrix/Sync.js
index 3bdf7d9d..51f66993 100644
--- a/src/matrix/Sync.js
+++ b/src/matrix/Sync.js
@@ -124,7 +124,7 @@ export class Sync {
                     // don't run afterSyncCompleted
                     continue;
                 }
-                if (err.name !== AbortError) {
+                if (err.name !== "AbortError") {
                     console.warn("stopping sync because of error");
                     console.error(err);
                     this._error = err;