diff --git a/src/Util/Images.php b/src/Util/Images.php
index 9f36f9063e..20212e4953 100644
--- a/src/Util/Images.php
+++ b/src/Util/Images.php
@@ -201,7 +201,7 @@ class Images
 			DI::cache()->set($cacheKey, $data);
 		}
 
-		return $data;
+		return $data ?? [];
 	}
 
 	/**