diff --git a/src/panels/developer-tools/state/developer-tools-state.js b/src/panels/developer-tools/state/developer-tools-state.js
index 214473610f..3af09b0667 100644
--- a/src/panels/developer-tools/state/developer-tools-state.js
+++ b/src/panels/developer-tools/state/developer-tools-state.js
@@ -61,7 +61,7 @@ class HaPanelDevState extends EventsMixin(LocalizeMixin(PolymerElement)) {
 
         .inputs {
           width: 100%;
-          max-width: 400px;
+          max-width: 800px;
         }
 
         .info {