diff --git a/Mesher_level/include/CGAL/Double_map.h b/Mesher_level/include/CGAL/Double_map.h
index 3fd229693c7..7de1f9d66e6 100644
--- a/Mesher_level/include/CGAL/Double_map.h
+++ b/Mesher_level/include/CGAL/Double_map.h
@@ -48,6 +48,7 @@
 #include <boost/bimap/multiset_of.hpp>
 #  if defined(BOOST_MSVC)
 #    pragma warning(pop)
+#  endif
 #endif
 
 namespace CGAL {