diff --git a/packages/widgets/src/blocks/legacy-widget/editor.scss b/packages/widgets/src/blocks/legacy-widget/editor.scss
index 69f8f577702255..314e5e2918a33a 100644
--- a/packages/widgets/src/blocks/legacy-widget/editor.scss
+++ b/packages/widgets/src/blocks/legacy-widget/editor.scss
@@ -154,6 +154,9 @@
 }
 
 .wp-block-legacy-widget {
+	.components-base-control {
+		width: 100%;
+	}
 	.components-select-control__input {
 		padding: 0;
 		font-family: system-ui;