diff --git a/src/clean-ast.js b/src/clean-ast.js
index 202eabab..623b2bc9 100644
--- a/src/clean-ast.js
+++ b/src/clean-ast.js
@@ -29,7 +29,7 @@ function massageAST(ast) {
     const newObj = {};
     for (const key in ast) {
       if (typeof ast[key] !== "function") {
-        newObj[key] = massageAST(ast[key]);        
+        newObj[key] = massageAST(ast[key]);
       }
     }