diff --git a/hostcheckstop/host_checkstop_obj.c b/hostcheckstop/host_checkstop_obj.c
index 74c940e..c6eab2f 100644
--- a/hostcheckstop/host_checkstop_obj.c
+++ b/hostcheckstop/host_checkstop_obj.c
@@ -1,3 +1,5 @@
+#include <string.h>
+
 #include <openbmc_intf.h>
 #include <openbmc.h>
 #include <gpio.h>