diff --git a/source/wobble.css b/source/wobble.css
index 78b4a9b..670e230 100644
--- a/source/wobble.css
+++ b/source/wobble.css
@@ -30,6 +30,16 @@
   100% { -ms-transform: translateX(0%); }
 }
 
+@-o-keyframes wobble {
+  0% { -o-transform: translateX(0%); }
+  15% { -o-transform: translateX(-25%) rotate(-5deg); }
+  30% { -o-transform: translateX(20%) rotate(3deg); }
+  45% { -o-transform: translateX(-15%) rotate(-3deg); }
+  60% { -o-transform: translateX(10%) rotate(2deg); }
+  75% { -o-transform: translateX(-5%) rotate(-1deg); }
+  100% { -o-transform: translateX(0%); }
+}
+
 @keyframes wobble {
   0% { transform: translateX(0%); }
   15% { transform: translateX(-25%) rotate(-5deg); }
@@ -44,5 +54,6 @@
 	-webkit-animation-name: wobble;
 	-moz-animation-name: wobble;
 	-ms-animation-name: wobble;
+	-o-animation-name: wobble;
 	animation-name: wobble;
 }
\ No newline at end of file