diff --git a/inc/Service/Media/LibMagickMediaHandler.php b/inc/Service/Media/LibMagickMediaHandler.php
index d57333b4..6e5d6883 100644
--- a/inc/Service/Media/LibMagickMediaHandler.php
+++ b/inc/Service/Media/LibMagickMediaHandler.php
@@ -17,7 +17,7 @@ class LibMagickMediaHandler implements MediaHandler {
 
 
 	private bool $strip_metadata;
-	private bool $frames_for_animated_thumbs;
+	private int $frames_for_animated_thumbs;
 	private int $image_max_width;
 	private int $image_max_height;
 	private string $static_thumb_mime;