diff --git a/common/include/r_includes.h b/common/include/r_includes.h
index cc9d6b5..de9b76c 100644
--- a/common/include/r_includes.h
+++ b/common/include/r_includes.h
@@ -56,6 +56,7 @@
 #endif
 
 #include <stdio.h>
+#include <string.h>
 
 #endif