diff --git a/core/css/header.css b/core/css/header.css
index 86db48a3f0..2df8cdd3aa 100644
--- a/core/css/header.css
+++ b/core/css/header.css
@@ -190,6 +190,8 @@
 #navigation .app-icon {
 	margin: 0 auto;
 	padding: 0;
+	max-height: 32px;
+	max-width: 32px;
 }
 
 /* Apps management */