diff --git a/src/include/lwip/nd6.h b/src/include/lwip/nd6.h
index 5872ecae..50b1a42d 100644
--- a/src/include/lwip/nd6.h
+++ b/src/include/lwip/nd6.h
@@ -185,7 +185,7 @@ PACK_STRUCT_END
 
 /** Router advertisement message header. */
 #define ND6_RA_FLAG_MANAGED_ADDR_CONFIG (0x80)
-#define ND6_RA_FLAG_OTHER_STATEFUL_CONFIG (0x40)
+#define ND6_RA_FLAG_OTHER_CONFIG (0x40)
 #define ND6_RA_FLAG_HOME_AGENT (0x20)
 #define ND6_RA_PREFERENCE_MASK (0x18)
 #define ND6_RA_PREFERENCE_HIGH (0x08)