diff --git a/backend/onedrive/onedrive.go b/backend/onedrive/onedrive.go
old mode 100644
new mode 100755
index e560fb0b1..10e25bb78
--- a/backend/onedrive/onedrive.go
+++ b/backend/onedrive/onedrive.go
@@ -436,6 +436,8 @@ func shouldRetry(resp *http.Response, err error) (bool, error) {
 					fs.Debugf(nil, "Too many requests. Trying again in %d seconds.", retryAfter)
 				}
 			}
+		case 507: // Insufficient Storage
+			return false, fserrors.FatalError(err)
 		}
 	}
 	return retry || fserrors.ShouldRetry(err) || fserrors.ShouldRetryHTTP(resp, retryErrorCodes), err