diff --git a/glm/detail/setup.hpp b/glm/detail/setup.hpp
index 9a044e1c..216384cd 100644
--- a/glm/detail/setup.hpp
+++ b/glm/detail/setup.hpp
@@ -34,6 +34,7 @@
 
 #include <cassert>
 #include <cstddef>
+#include <cstring>
 
 ///////////////////////////////////////////////////////////////////////////////////
 // Version