diff --git a/inject.js b/inject.js
index 85225c1..352cadf 100644
--- a/inject.js
+++ b/inject.js
@@ -95,12 +95,12 @@ chrome.extension.sendMessage({}, function(response) {
         videoTags.forEach(function(v) {
           if (!v.paused && !v.classList.contains("vc-cancelled")) {
             if (action === 'rewind') {
-              v.playbackRate -= speedStep;
+              v.playbackRate = Math.max(v.playbackRate - speedStep, 0.00);
               v.currentTime -= rewindTime;
             } else if (action === 'faster') { 
                 v.playbackRate += speedStep }
               else if (action === 'slower') { 
-                  v.playbackRate = Math.max(v.playbackRate - speedStep, 0.00) }
+                  v.playbackRate = Math.max(v.playbackRate - speedStep, 0.00); }
           }
         });
       }