diff --git a/src/algorithms/string/knuth-morris-pratt/knuthMorrisPratt.js b/src/algorithms/string/knuth-morris-pratt/knuthMorrisPratt.js
index e4344b77..82b94904 100644
--- a/src/algorithms/string/knuth-morris-pratt/knuthMorrisPratt.js
+++ b/src/algorithms/string/knuth-morris-pratt/knuthMorrisPratt.js
@@ -43,14 +43,14 @@ export default function knuthMorrisPratt(text, word) {
     if (text[textIndex] === word[wordIndex]) {
       // We've found a match.
       if (wordIndex === word.length - 1) {
-        return (textIndex - word.length) + 1;
+        return textIndex - word.length + 1;
       }
       wordIndex += 1;
       textIndex += 1;
     } else if (wordIndex > 0) {
       wordIndex = patternTable[wordIndex - 1];
     } else {
-      wordIndex = 0;
+      // wordIndex = 0;
       textIndex += 1;
     }
   }