diff --git a/src/PostProcessor.h b/src/PostProcessor.h
index e0d55e31..df82ee34 100644
--- a/src/PostProcessor.h
+++ b/src/PostProcessor.h
@@ -10,7 +10,7 @@ namespace graphics {
 	class ShaderProgram;
 }
 
-class FrameBuffer;
+struct FrameBuffer;
 
 class PostProcessor {
 public: