diff --git a/include/vkcv/Image.hpp b/include/vkcv/Image.hpp
index 9a30935c42d5c539f32744f910ca47bf73ce9f82..81778f8c9df0a8c8465cc0ea9cdbc0f3eb7867d9 100644
--- a/include/vkcv/Image.hpp
+++ b/include/vkcv/Image.hpp
@@ -10,6 +10,8 @@
 #include "vkcv/ImageConfig.hpp"
 
 namespace vkcv {
+	
+	class ImageManager;
 
 	bool isDepthFormat(const vk::Format format);