diff --git a/models/SearchAction.php b/models/SearchAction.php
index e18d36f..60b1155 100644
--- a/models/SearchAction.php
+++ b/models/SearchAction.php
@@ -21,7 +21,9 @@ public function fields() {
 		return array_merge(
 			parent::fields(),
 			[
-				'query-input' => 'required'
+				'query-input' => function () {
+					return 'required';
+				}
 			]
 		);
 	}
diff --git a/views/schema-org/model-template.php b/views/schema-org/model-template.php
index cd13499..615ae43 100644
--- a/views/schema-org/model-template.php
+++ b/views/schema-org/model-template.php
@@ -42,7 +42,9 @@ public function fields() {
 		return array_merge(
 			parent::fields(),
 			[
-				'query-input' => 'required'
+				'query-input' => function () {
+					return 'required';
+				}
 			]
 		);
 	}