diff --git a/client/components/main/popup.styl b/client/components/main/popup.styl
index f1db3927a..b4815ca61 100644
--- a/client/components/main/popup.styl
+++ b/client/components/main/popup.styl
@@ -320,6 +320,7 @@ $popupWidth = 300px
         input[type="file"]
           margin: 4px 0 12px
           width: 100%
+          box-sizing: border-box
 
     .pop-over-list
       li > a