diff --git a/Mesh/meshGRegionBoundaryRecovery.cpp b/Mesh/meshGRegionBoundaryRecovery.cpp
index 80b92b18ba34a74eb5144da09ec4e6feabf8aca8..7aa9641f636371267058a26c3ac8ace484367f58 100644
--- a/Mesh/meshGRegionBoundaryRecovery.cpp
+++ b/Mesh/meshGRegionBoundaryRecovery.cpp
@@ -17,6 +17,7 @@
 #include "MTetrahedron.h"
 #include "Context.h"
 #include "OS.h"
+#include <string.h>
 
 namespace tetgenBR
 {