diff --git a/src/Form.php b/src/Form.php
index 58528140f4..f7d582f2a2 100644
--- a/src/Form.php
+++ b/src/Form.php
@@ -529,10 +529,17 @@ public function setFormConfig($config)
 
     public function setupAjaxSubmit(): void
     {
-        $this->js(true)->form(array_merge(['inline' => true, 'on' => 'blur'], $this->formConfig));
-
-        $this->js(true, null, $this->formElement)
-            ->api(array_merge(['on' => 'submit', 'url' => $this->cb->getJsUrl(), 'method' => 'POST', 'serializeForm' => true], $this->apiConfig));
+        $this->js(true)->form(array_merge([
+            'on' => 'blur',
+            'inline' => true,
+        ], $this->formConfig));
+
+        $this->formElement(true)->api(array_merge([
+            'on' => 'submit',
+            'url' => $this->cb->getJsUrl(),
+            'method' => 'POST',
+            'serializeForm' => true,
+        ], $this->apiConfig));
 
         // [name] in selector is to suppress https://github.com/fomantic/Fomantic-UI/commit/facbca003cf0da465af7d44af41462e736d3eb8b
         // console errors from Multiline/vue fields