diff --git a/arch/sim/src/up_tapdev.c b/arch/sim/src/up_tapdev.c
index d0deea6d9b..f2bbcc14a2 100644
--- a/arch/sim/src/up_tapdev.c
+++ b/arch/sim/src/up_tapdev.c
@@ -72,7 +72,7 @@ extern int uipdriver_setmacaddr(unsigned char *macaddr);
 
 #define DEVTAP          "/dev/net/tun"
 
-#ifndef CONFIG_EXAMPLE_UIP_DHCPC
+#ifndef CONFIG_EXAMPLES_UIP_DHCPC
 #  define UIP_IPADDR0   192
 #  define UIP_IPADDR1   168
 #  define UIP_IPADDR2   0
diff --git a/arch/sim/src/up_wpcap.c b/arch/sim/src/up_wpcap.c
index 42e8764f80..62f0b6ad03 100644
--- a/arch/sim/src/up_wpcap.c
+++ b/arch/sim/src/up_wpcap.c
@@ -62,7 +62,7 @@ extern int uipdriver_setmacaddr(unsigned char *macaddr);
 
 #define BUF ((struct uip_eth_hdr *)&uip_buf[0])
 
-#ifndef CONFIG_EXAMPLE_UIP_DHCPC
+#ifndef CONFIG_EXAMPLES_UIP_DHCPC
 #  define UIP_IPADDR (10 << 24 | 0 << 16 | 0 << 8 | 1)
 #else
 #  define UIP_IPADDR (0)