diff --git a/src/components/ha-control-select.ts b/src/components/ha-control-select.ts
index 13341e617c..91c740d0e5 100644
--- a/src/components/ha-control-select.ts
+++ b/src/components/ha-control-select.ts
@@ -262,7 +262,7 @@ export class HaControlSelect extends LitElement {
         position: relative;
         flex: 1;
         height: 100%;
-        width: 40px;
+        width: 100%;
         display: flex;
         align-items: center;
         justify-content: center;