diff --git a/drivers/mtd/Make.defs b/drivers/mtd/Make.defs
index 4dc3f37c6b2..0b97b24d322 100644
--- a/drivers/mtd/Make.defs
+++ b/drivers/mtd/Make.defs
@@ -63,11 +63,11 @@ ifeq ($(CONFIG_MTD_NAND_SWECC),y)
 CSRCS += mtd_nandecc.c hamming.c
 endif
 
-ifeq ($(CONFIG_MTD_NAND_RAM), y)
+ifeq ($(CONFIG_MTD_NAND_RAM),y)
 CSRCS += mtd_nandram.c
 endif
 
-ifeq ($(CONFIG_MTD_NAND_WRAPPER), y)
+ifeq ($(CONFIG_MTD_NAND_WRAPPER),y)
 CSRCS += mtd_nandwrapper.c
 endif
 
diff --git a/drivers/power/supply/Make.defs b/drivers/power/supply/Make.defs
index b21ff288cd6..743cfc02eb0 100644
--- a/drivers/power/supply/Make.defs
+++ b/drivers/power/supply/Make.defs
@@ -28,18 +28,18 @@ ifeq ($(CONFIG_DRIVERS_SMPS),y)
 CSRCS += smps.c
 endif
 
-ifeq ($(CONFIG_REGULATOR), y)
+ifeq ($(CONFIG_REGULATOR),y)
 CSRCS += regulator.c
 
-ifeq ($(CONFIG_REGULATOR_GPIO), y)
+ifeq ($(CONFIG_REGULATOR_GPIO),y)
 CSRCS += regulator_gpio.c
 endif
 
-ifeq ($(CONFIG_REGULATOR_RPMSG), y)
+ifeq ($(CONFIG_REGULATOR_RPMSG),y)
 CSRCS += regulator_rpmsg.c
 endif
 
-ifeq ($(CONFIG_REGULATOR_ACT8945A), y)
+ifeq ($(CONFIG_REGULATOR_ACT8945A),y)
 CSRCS += act8945a.c
 endif