diff --git a/lib/bemhtml/runtime/index.js b/lib/bemhtml/runtime/index.js
index f29eb0d7..50f9dfeb 100644
--- a/lib/bemhtml/runtime/index.js
+++ b/lib/bemhtml/runtime/index.js
@@ -117,13 +117,10 @@ BEMHTML.prototype.recompileInput = function recompileInput(code) {
   var out = code.toString();
 
   var args = BEMHTML.locals;
-  if (typeof code === 'function') {
-    var start = out.match(/^function\s*\(([^{]+)\)\s*{/);
 
-    // Reuse function if it already has right arguments
-    if (start !== null && start[1].split(/,\s*/).length === args.length)
-      return code;
-  }
+  // Reuse function if it already has right arguments
+  if (typeof code === 'function' && code.length === args.length)
+    return code;
 
   // Strip the function
   out = out.replace(/^function[^{]+{|}$/g, '');