diff --git a/net/route/net_router.c b/net/route/net_router.c
index a3922d042cf..c1a135685c8 100644
--- a/net/route/net_router.c
+++ b/net/route/net_router.c
@@ -43,7 +43,7 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#ifdef CONFIG_ROUTE_IPv6_CACHEROUTE
+#ifdef CONFIG_ROUTE_IPv4_CACHEROUTE
 #  define IPv4_ROUTER entry.router
 #else
 #  define IPv4_ROUTER router
diff --git a/net/route/netdev_router.c b/net/route/netdev_router.c
index d186802c1fb..8ba711736e7 100644
--- a/net/route/netdev_router.c
+++ b/net/route/netdev_router.c
@@ -42,7 +42,7 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#ifdef CONFIG_ROUTE_IPv6_CACHEROUTE
+#ifdef CONFIG_ROUTE_IPv4_CACHEROUTE
 #  define IPv4_ROUTER entry.router
 #else
 #  define IPv4_ROUTER router