diff --git a/arch/arm/soc/nordic_nrf5/nrf51/Makefile b/arch/arm/soc/nordic_nrf5/nrf51/Makefile
index b1149643830..ed60c601573 100644
--- a/arch/arm/soc/nordic_nrf5/nrf51/Makefile
+++ b/arch/arm/soc/nordic_nrf5/nrf51/Makefile
@@ -2,6 +2,7 @@ ZEPHYRINCLUDE += -I$(srctree)/arch/arm/soc/nordic_nrf5/include
 
 ifdef CONFIG_SOC_SERIES_NRF51X
 soc-cflags += -DNRF51
+soc-cflags += -DNRF51822
 endif
 
 obj-y += soc.o
diff --git a/arch/arm/soc/nordic_nrf5/nrf52/Makefile b/arch/arm/soc/nordic_nrf5/nrf52/Makefile
index d97e44629fb..5ca1d7c5573 100644
--- a/arch/arm/soc/nordic_nrf5/nrf52/Makefile
+++ b/arch/arm/soc/nordic_nrf5/nrf52/Makefile
@@ -2,6 +2,7 @@ ZEPHYRINCLUDE += -I$(srctree)/arch/arm/soc/nordic_nrf5/include
 
 ifdef CONFIG_SOC_NRF52832
 soc-cflags += -DNRF52832_XXAA
+soc-cflags += -DNRF52832
 endif
 
 ifdef CONFIG_SOC_NRF52840