diff --git a/less/progress-bars.less b/less/progress-bars.less
index 5979a36915..3da1f6f176 100644
--- a/less/progress-bars.less
+++ b/less/progress-bars.less
@@ -7,26 +7,26 @@
 
 // Webkit
 @-webkit-keyframes progress-bar-stripes {
-  from  { background-position: 0 0; }
-  to    { background-position: 40px 0; }
+  from  { background-position: 40px 0; }
+  to    { background-position: 0 0; }
 }
 
 // Firefox
 @-moz-keyframes progress-bar-stripes {
-  from  { background-position: 0 0; }
-  to    { background-position: 40px 0; }
+  from  { background-position: 40px 0; }
+  to    { background-position: 0 0; }
 }
 
 // IE9
 @-ms-keyframes progress-bar-stripes {
-  from  { background-position: 0 0; }
-  to    { background-position: 40px 0; }
+  from  { background-position: 40px 0; }
+  to    { background-position: 0 0; }
 }
 
 // Spec
 @keyframes progress-bar-stripes {
-  from  { background-position: 0 0; }
-  to    { background-position: 40px 0; }
+  from  { background-position: 40px 0; }
+  to    { background-position: 0 0; }
 }