diff --git a/lib/lexer.js b/lib/lexer.js
index 54052e54..f0427d82 100644
--- a/lib/lexer.js
+++ b/lib/lexer.js
@@ -19,7 +19,7 @@
       this.seenFor = false;
       this.indents = [];
       this.tokens = [];
-      while ((this.chunk = code.slice(this.i))) {
+      while (this.chunk = code.slice(this.i)) {
         this.identifierToken() || this.commentToken() || this.whitespaceToken() || this.lineToken() || this.heredocToken() || this.stringToken() || this.numberToken() || this.regexToken() || this.jsToken() || this.literalToken();
       }
       this.closeIndentation();