diff --git a/customize.dist/src/toolbar.less b/customize.dist/src/toolbar.less
index c934b8afb..39bfc5659 100644
--- a/customize.dist/src/toolbar.less
+++ b/customize.dist/src/toolbar.less
@@ -20,7 +20,7 @@
         height: 1.5em;
         line-height: 25px;
         height: 22px;
-        &.rtwysiwyg-back {
+        &.cryptpad-back {
             padding: 0;
             font-weight: bold;
             cursor: pointer;
diff --git a/customize.dist/toolbar.css b/customize.dist/toolbar.css
index 66491ee9f..23fab72b9 100644
--- a/customize.dist/toolbar.css
+++ b/customize.dist/toolbar.css
@@ -17,7 +17,7 @@
   line-height: 25px;
   height: 22px;
 }
-.cryptpad-toolbar div.rtwysiwyg-back {
+.cryptpad-toolbar div.cryptpad-back {
   padding: 0;
   font-weight: bold;
   cursor: pointer;