diff --git a/drivers/reset/core.c b/drivers/reset/core.c
index 665c6660ad..23193f1cde 100644
--- a/drivers/reset/core.c
+++ b/drivers/reset/core.c
@@ -26,6 +26,7 @@
 
 #include <errno.h>
 #include <debug.h>
+#include <string.h>
 
 #include <nuttx/nuttx.h>
 #include <nuttx/kmalloc.h>