diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 78e8b877fb25..9e96776945e5 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -8,7 +8,8 @@
 
 #define MIN_VALID_LIFETIME		(2*3600)	/* 2 hours */
 
-#define TEMP_VALID_LIFETIME		(7*86400)       /* 1 week */
+/* TEMP_VALID_LIFETIME default value as specified in RFC 8981 3.8 */
+#define TEMP_VALID_LIFETIME		(2*86400)       /* 2 days */
 #define TEMP_PREFERRED_LIFETIME		(86400)         /* 24 hours */
 #define REGEN_MIN_ADVANCE		(2)             /* 2 seconds */
 #define REGEN_MAX_RETRY			(3)