diff --git a/client/icons/customIcons.less b/client/icons/customIcons.less
index 7525d50af..0d462833d 100644
--- a/client/icons/customIcons.less
+++ b/client/icons/customIcons.less
@@ -53,10 +53,10 @@
   mask-image: url('../icons/book-part-cover.svg');
 }
 .image-wrap-left {
-  content: url('../icons/image-wrap-left.svg');
+  mask-image: url('../icons/image-wrap-left.svg');
 }
 .image-wrap-right {
-  content: url('../icons/image-wrap-right.svg');
+  mask-image: url('../icons/image-wrap-right.svg');
 }
 .davek {
   mask-image: url('../icons/Davek.svg');