diff --git a/src/Object/Image.php b/src/Object/Image.php
index 7069f7a47..1d2832f20 100644
--- a/src/Object/Image.php
+++ b/src/Object/Image.php
@@ -734,15 +734,19 @@ class Image
 			return '';
 		}
 
-		$width = $image->getWidth();
+		$width  = $image->getWidth();
 		$height = $image->getHeight();
 
 		if (max($width, $height) > 90) {
 			$image->scaleDown(90);
-			$width = $image->getWidth();
+			$width  = $image->getWidth();
 			$height = $image->getHeight();
 		}
 
+		if (empty($width) || empty($height)) {
+			return '';
+		}
+
 		$pixels = [];
 		for ($y = 0; $y < $height; ++$y) {
 			$row = [];