diff --git a/public/css/world-info.css b/public/css/world-info.css
index 5ae24fa32..a725e640f 100644
--- a/public/css/world-info.css
+++ b/public/css/world-info.css
@@ -157,7 +157,11 @@
     width: 10em;
 }
 
-#world_info_search,
+#world_info_search {
+    width: 10em;
+    min-width: 10em;
+    flex-grow: 1;
+}
 #world_info_sort_order {
     width: 7em;
 }