diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 7d5ddf53750c..7a83b5e136e0 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -122,7 +122,7 @@ src-wlib-y := string.S crt0.S stdio.c decompress.c main.c \
 		elf_util.c $(zlib-y) devtree.c stdlib.c \
 		oflib.c ofconsole.c cuboot.c
 
-src-wlib-$(CONFIG_PPC_MPC52XX) += mpc52xx-psc.c
+src-wlib-$(CONFIG_PPC_MPC52xx) += mpc52xx-psc.c
 src-wlib-$(CONFIG_PPC64_BOOT_WRAPPER) += opal-calls.S opal.c
 ifndef CONFIG_PPC64_BOOT_WRAPPER
 src-wlib-y += crtsavres.S
diff --git a/arch/powerpc/boot/serial.c b/arch/powerpc/boot/serial.c
index 48e3743faedf..83c78427c20b 100644
--- a/arch/powerpc/boot/serial.c
+++ b/arch/powerpc/boot/serial.c
@@ -127,7 +127,7 @@ int serial_console_init(void)
 	         dt_is_compatible(devp, "fsl,cpm2-smc-uart"))
 		rc = cpm_console_init(devp, &serial_cd);
 #endif
-#ifdef CONFIG_PPC_MPC52XX
+#ifdef CONFIG_PPC_MPC52xx
 	else if (dt_is_compatible(devp, "fsl,mpc5200-psc-uart"))
 		rc = mpc5200_psc_console_init(devp, &serial_cd);
 #endif