diff --git a/libraries/shared/src/StDev.cpp b/libraries/shared/src/StDev.cpp
index 0126ab6ab1..23afd12b98 100644
--- a/libraries/shared/src/StDev.cpp
+++ b/libraries/shared/src/StDev.cpp
@@ -11,7 +11,7 @@
 
 #include <limits>   
 #include <cmath>
-#include <string.h>
+#include <cstring>
 
 #include "StDev.h"