diff --git a/source/bounceOutLeft.css b/source/bounceOutLeft.css
index 2587e2d..64d2e9b 100644
--- a/source/bounceOutLeft.css
+++ b/source/bounceOutLeft.css
@@ -82,5 +82,6 @@
 	-webkit-animation-name: bounceOutLeft;
 	-moz-animation-name: bounceOutLeft;
 	-ms-animation-name: bounceOutLeft;
+	-o-animation-name: bounceOutLeft;
 	animation-name: bounceOutLeft;
 }
\ No newline at end of file