diff --git a/libmultipath/checkers/rdac.c b/libmultipath/checkers/rdac.c
index e0b2ea4..c96c259 100644
--- a/libmultipath/checkers/rdac.c
+++ b/libmultipath/checkers/rdac.c
@@ -308,8 +308,9 @@ libcheck_check (struct checker * c)
 done:
 	switch (ret) {
 	case PATH_DOWN:
-		MSG(c, (inqfail) ? MSG_RDAC_DOWN_TYPE("inquiry failed") :
-			checker_msg_string(&inq));
+		strncpy(c->message,
+			(inqfail) ? MSG_RDAC_DOWN_TYPE("inquiry failed") :
+			checker_msg_string(&inq), CHECKER_MSG_LEN);
 		break;
 	case PATH_UP:
 		MSG(c, MSG_RDAC_UP);