diff --git a/styles/left-panel.less b/styles/left-panel.less
index ecba94e97c..2aa98270fc 100644
--- a/styles/left-panel.less
+++ b/styles/left-panel.less
@@ -201,7 +201,7 @@
             left: -20px;
             .at2x('runningwave.png', 20px, 20px);
             -webkit-animation-name: translatewave;
-            -webkit-animation-duration: 8.0s;
+            -webkit-animation-duration: 7.0s;
             -webkit-animation-iteration-count: infinite;
             -webkit-animation-timing-function: linear;
           }