diff --git a/bin/mustache b/bin/mustache
index be9f734..735e4f8 100755
--- a/bin/mustache
+++ b/bin/mustache
@@ -130,7 +130,7 @@ function isStdin (view) {
   return view === '-';
 }
 
-function isJson (view) {
+function isJsFile (view) {
   return path.extname(view) === '.js';
 }