diff --git a/drivers/fastboot/fb_getvar.c b/drivers/fastboot/fb_getvar.c
index 2fbd285..bcef8f8 100644
--- a/drivers/fastboot/fb_getvar.c
+++ b/drivers/fastboot/fb_getvar.c
@@ -57,7 +57,7 @@
 	}, {
 		.variable = "current-slot",
 		.dispatch = getvar_current_slot
-#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
+#if IS_ENABLED(CONFIG_FASTBOOT_FLASH)
 	}, {
 		.variable = "has-slot",
 		.dispatch = getvar_has_slot
@@ -67,7 +67,7 @@
 		.variable = "partition-type",
 		.dispatch = getvar_partition_type
 #endif
-#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
+#if IS_ENABLED(CONFIG_FASTBOOT_FLASH)
 	}, {
 		.variable = "partition-size",
 		.dispatch = getvar_partition_size
diff --git a/net/fastboot.c b/net/fastboot.c
index 96bdf54..e9569d8 100644
--- a/net/fastboot.c
+++ b/net/fastboot.c
@@ -307,7 +307,7 @@
 
 	fastboot_our_port = CONFIG_UDP_FUNCTION_FASTBOOT_PORT;
 
-	if (CONFIG_IS_ENABLED(FASTBOOT_FLASH))
+	if (IS_ENABLED(CONFIG_FASTBOOT_FLASH))
 		fastboot_set_progress_callback(fastboot_timed_send_info);
 
 	net_set_udp_handler(fastboot_handler);