diff --git a/src/backends/base.js b/src/backends/base.js
index 1736e6f5021648ac3b752365a0d4dfc569a2bd3c..9d0ac36db7a5c4e0d39d32d15afd62c307e3a289 100644
--- a/src/backends/base.js
+++ b/src/backends/base.js
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-class BaseBackend() {
+class BaseBackend {
 }
 
 export default BaseBackend;