diff --git a/themes/MetroMumbleLight/main.scss b/themes/MetroMumbleLight/main.scss
index 411f944..076c6fb 100644
--- a/themes/MetroMumbleLight/main.scss
+++ b/themes/MetroMumbleLight/main.scss
@@ -432,10 +432,10 @@ form {
   height: 100%;
 }
 .join-dialog {
-  width: 100%;
-  height: 100%;
-  top: 0px;
-  left: 0px;
+  width: 300px;
+  height: 100px;
+  top: 50%;
+  left: 50%;
 }
 .join-dialog .dialog-submit {
   float: none;