diff --git a/plugin/speakernotes/notes.html b/plugin/speakernotes/notes.html
index 9198386..d71d7f8 100644
--- a/plugin/speakernotes/notes.html
+++ b/plugin/speakernotes/notes.html
@@ -130,7 +130,7 @@
 				currentSlide.contentWindow.Reveal.nextFragment();
 			}
 			else if (data.fragment === 'previous') {
-				currentSlide.contentWindow.Reveal.previousFragment();
+				currentSlide.contentWindow.Reveal.prevFragment();
 			}
 		});
 		</script>