diff --git a/src/fencer.html b/src/fencer.html
index 1cd5f86..d910aac 100644
--- a/src/fencer.html
+++ b/src/fencer.html
@@ -251,6 +251,7 @@
 	box-sizing: border-box;
 	.render-container {
 		width: 100%;
+		overflow-y: scroll;
 	}
 	.render-item {
 		position: relative;