diff --git a/clang-tools-extra/clang-rewrite/ConstructMatchers.cpp b/clang-tools-extra/clang-rewrite/ConstructMatchers.cpp
--- a/clang-tools-extra/clang-rewrite/ConstructMatchers.cpp
+++ b/clang-tools-extra/clang-rewrite/ConstructMatchers.cpp
@@ -523,7 +523,7 @@
         }
       }
     }
-    // child_matchers.push_back(constructMatcher("parameterCountIs", VariantValue(argnum), level+5));
+    child_matchers.push_back(constructMatcher("argumentsGivenCountIs", VariantValue(argnum), level+5));
   }
   if (child_matchers.size() < 1) {
     // guarantee child_matchers.size() >= 1 (also required to not make an