diff --git a/index.js b/index.js
index e85bcd1a..5fe379ba 100644
--- a/index.js
+++ b/index.js
@@ -1,9 +1,5 @@
 function isThirteen(n, strictEquality) {
-  if (strictEquality === true) {
-    return n === 13;
-  }
-  
-  return n == 13;
+  return (strictEquality === true) ? n === 13 || n == 13;
 }
 
 module.exports = isThirteen;