diff --git a/framework/sky-input.sky b/framework/sky-input.sky
index ee790400ae6..3bb65d967e8 100644
--- a/framework/sky-input.sky
+++ b/framework/sky-input.sky
@@ -15,6 +15,7 @@
     padding: 4px;
   }
   #control {
+    flex: 1;
     align-self: center;
     height: 1.2em;
     white-space: nowrap;