diff --git a/src/Plugin/video_embed_field/Provider/Wistia.php b/src/Plugin/video_embed_field/Provider/Wistia.php
index c82677b..dd8440c 100644
--- a/src/Plugin/video_embed_field/Provider/Wistia.php
+++ b/src/Plugin/video_embed_field/Provider/Wistia.php
@@ -26,7 +26,7 @@ class Wistia extends ProviderPluginBase {
       '#provider' => 'wistia',
       '#url' => sprintf('https://fast.wistia.com/embed/iframe/%s', $this->getVideoId()),
       '#query' => [
-        'autoplay' => $autoplay
+        'autoPlay' => $autoplay
       ],
       '#attributes' => [
         'width' => $width,
@@ -52,4 +52,4 @@ class Wistia extends ProviderPluginBase {
     preg_match('/^https?:\/\/(.+)?(wistia.com|wi.st)\/(medias|embed)\/(?<id>[0-9A-Za-z]+)$/', $input, $matches);
     return isset($matches['id']) ? $matches['id'] : FALSE;
   }
-}
\ No newline at end of file
+}