diff --git a/src/octoprint/static/less/octoprint.less b/src/octoprint/static/less/octoprint.less
index ab276cb573..28ec2a8291 100644
--- a/src/octoprint/static/less/octoprint.less
+++ b/src/octoprint/static/less/octoprint.less
@@ -914,6 +914,7 @@ textarea.block {
 }
 
 .rotate90 {
+  -webkit-transform: rotate(-90deg);
   transform: rotate(-90deg);
 }