diff --git a/.jscsrc b/.jscsrc
index f661c9e0cf..6a60f1ef39 100644
--- a/.jscsrc
+++ b/.jscsrc
@@ -31,6 +31,9 @@
     "disallowSpacesInFunctionDeclaration": {
         "beforeOpeningRoundBrace": true
     },
+    "requireSpacesInAnonymousFunctionExpression": {
+        "beforeOpeningRoundBrace": true
+    },
     "requireMultipleVarDecl": "onevar",
     "requireBlocksOnNewline": 1,
     "disallowPaddingNewlinesInBlocks": true,