diff --git a/source/fadeOutRight.css b/source/fadeOutRight.css
index 9c408e0..a4883bc 100644
--- a/source/fadeOutRight.css
+++ b/source/fadeOutRight.css
@@ -62,5 +62,6 @@
 	-webkit-animation-name: fadeOutRight;
 	-moz-animation-name: fadeOutRight;
 	-ms-animation-name: fadeOutRight;
+	-o-animation-name: fadeOutRight;
 	animation-name: fadeOutRight;
 }
\ No newline at end of file