diff --git a/src/libslic3r/MapUtils.hpp b/src/libslic3r/MapUtils.hpp
index 0a276967e..44869bacf 100644
--- a/src/libslic3r/MapUtils.hpp
+++ b/src/libslic3r/MapUtils.hpp
@@ -25,5 +25,6 @@ public:
         return result;
     }
 };
+
 } // namespace Slic3r
-#endif slic3r_MapUtils_hpp_
\ No newline at end of file
+#endif // slic3r_MapUtils_hpp_
\ No newline at end of file