diff --git a/src/chapter1/ch1-q2.js b/src/chapter1/ch1-q2.js
index 30bdc4f..2b2e334 100644
--- a/src/chapter1/ch1-q2.js
+++ b/src/chapter1/ch1-q2.js
@@ -37,7 +37,7 @@ export function isPermutationMap(str1, str2) {
     }
   }
 
-  return chars.size === 0;
+  return true;
 }
 
 /**