diff --git a/core/css/mobile.css b/core/css/mobile.css
index c67ac3e5ecf..821da619295 100644
--- a/core/css/mobile.css
+++ b/core/css/mobile.css
@@ -19,6 +19,7 @@
 .searchbox input[type="search"]:focus,
 .searchbox input[type="search"]:active {
 	width: 155px;
+	max-width: 50%;
 }
 
 /* do not show display name on mobile when profile picture is present */