diff --git a/include/CppUTest/StandardCLibrary.h b/include/CppUTest/StandardCLibrary.h
index c0ef7aa99..ad901727d 100644
--- a/include/CppUTest/StandardCLibrary.h
+++ b/include/CppUTest/StandardCLibrary.h
@@ -14,6 +14,7 @@
 #ifdef __cplusplus
  #if CPPUTEST_USE_STD_CPP_LIB
   #include <cstdlib>
+  #include <cstring>
   #include <string>
  #endif
 #endif