Index: boot/Makefile.common
===================================================================
--- boot/Makefile.common	(revision 864762a0d5c4d2818b2b3d9887f01fc4c8c03c2a)
+++ boot/Makefile.common	(revision 0453261e420ef7b8ef1b50080613a1ea7e6cdf2d)
@@ -139,11 +139,11 @@
 	nic/rtl8139 \
 	nic/rtl8169 \
-        nic/ar9271 \
+	nic/ar9271 \
 	block/ahci
 
 RD_DRV_CFG =
 
-RD_DRV_FW = \
-        nic/ar9271
+RD_DRVS_FW_NON_ESSENTIAL = \
+	nic/ar9271
 
 RD_LIBS =
@@ -228,5 +228,5 @@
 	$(USPACE_PATH)/app/df/df \
 	$(USPACE_PATH)/app/fontviewer/fontviewer \
-        $(USPACE_PATH)/app/wifi_supplicant/wifi_supplicant
+	$(USPACE_PATH)/app/wifi_supplicant/wifi_supplicant
 
 RD_TESTS = \
@@ -252,8 +252,10 @@
 RD_APPS = $(RD_APPS_ESSENTIAL)
 RD_DRVS = $(RD_DRVS_ESSENTIAL)
+RD_DRVS_FW = $(RD_DRVS_FW_ESSENTIAL)
 else
 RD_SRVS = $(RD_SRVS_ESSENTIAL) $(RD_SRVS_NON_ESSENTIAL)
 RD_APPS = $(RD_APPS_ESSENTIAL) $(RD_APPS_NON_ESSENTIAL)
 RD_DRVS = $(RD_DRVS_ESSENTIAL) $(RD_DRVS_NON_ESSENTIAL)
+RD_DRVS_FW = $(RD_DRVS_FW_ESSENTIAL) $(RD_DRVS_FW_NON_ESSENTIAL)
 endif