diff --git a/less/mixins.less b/less/mixins.less
index 4432cfc2db..0b4cf88a93 100644
--- a/less/mixins.less
+++ b/less/mixins.less
@@ -243,6 +243,10 @@
   -webkit-animation-direction: @direction;
           animation-direction: @direction;
 }
+.animation-fill-mode(@fill-mode) {
+  -webkit-animation-fill-mode: @fill-mode;
+          animation-fill-mode: @fill-mode;
+}
 
 // Backface visibility
 // Prevent browsers from flickering when using CSS 3D transforms.