diff --git a/headers/private/shared/cpu_type.h b/headers/private/shared/cpu_type.h
index 2c97ae15d8..b1828a85b6 100644
--- a/headers/private/shared/cpu_type.h
+++ b/headers/private/shared/cpu_type.h
@@ -9,6 +9,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 
 #include <OS.h>