diff --git a/data/theme/gdm.css b/data/theme/gdm.css
index 417f8addf..ae70cca40 100644
--- a/data/theme/gdm.css
+++ b/data/theme/gdm.css
@@ -110,7 +110,7 @@
     background-color: white;
     caret-color: black;
     caret-size: 1px;
-    width: 23em;
+    width: 15em;
 }
 
 .login-dialog-session-list {