diff --git a/ccv/sheet5/laplacian_pyramid.h b/ccv/sheet5/laplacian_pyramid.h
index 7d873d6..4a95656 100644
--- a/ccv/sheet5/laplacian_pyramid.h
+++ b/ccv/sheet5/laplacian_pyramid.h
@@ -2,7 +2,7 @@
 #define SHEET5_LAPLACIAN_PYRAMID_H
 
 #include <opencv2/opencv.hpp>
-#include "gauss_pyramid.h
+#include "gauss_pyramid.h"
 
 class laplacian_pyramid {
 private: