diff --git a/bluesky/bluesky.php b/bluesky/bluesky.php
index a2c85ad3..fe1faab1 100644
--- a/bluesky/bluesky.php
+++ b/bluesky/bluesky.php
@@ -896,7 +896,7 @@ function bluesky_upload_blob(int $uid, array $photo): ?stdClass
 	$retrial = Worker::getRetrial();
 	$content = Photo::getImageForPhoto($photo);
 
-	$picture = new Image($content, $photo['type']);
+	$picture = new Image($content, $photo['type'], $photo['filename']);
 	$height  = $picture->getHeight();
 	$width   = $picture->getWidth();
 	$size    = strlen($content);
diff --git a/twitter/twitter.php b/twitter/twitter.php
index b01345b7..11c163ef 100644
--- a/twitter/twitter.php
+++ b/twitter/twitter.php
@@ -308,7 +308,7 @@ function twitter_upload_image(int $uid, array $image, int $retrial)
 
 	$picturedata = Photo::getImageForPhoto($photo);
 
-	$picture = new Image($picturedata, $photo['type']);
+	$picture = new Image($picturedata, $photo['type'], $photo['filename']);
 	$height  = $picture->getHeight();
 	$width   = $picture->getWidth();
 	$size    = strlen($picturedata);