diff --git a/src/clipper/clipper.cpp b/src/clipper/clipper.cpp
index 9d6d029b6..e52d4f422 100755
--- a/src/clipper/clipper.cpp
+++ b/src/clipper/clipper.cpp
@@ -38,7 +38,7 @@
 *                                                                              *
 *******************************************************************************/
 
-#include "clipper.hpp"
+#include <clipper/clipper.hpp>
 #include <cmath>
 #include <vector>
 #include <algorithm>