diff --git a/boards/arm/nrf52/nrf52832-mdk/scripts/Make.defs b/boards/arm/nrf52/nrf52832-mdk/scripts/Make.defs
index 7766ad20441..1db56274715 100644
--- a/boards/arm/nrf52/nrf52832-mdk/scripts/Make.defs
+++ b/boards/arm/nrf52/nrf52832-mdk/scripts/Make.defs
@@ -35,8 +35,8 @@ CXX = $(CROSSDEV)g++
 CPP = $(CROSSDEV)gcc -E
 LD = $(CROSSDEV)ld
 STRIP = $(CROSSDEV)strip --strip-unneeded
-AR = $(ARCROSSDEV)ar rcs
-NM = $(ARCROSSDEV)nm
+AR = $(CROSSDEV)ar rcs
+NM = $(CROSSDEV)nm
 OBJCOPY = $(CROSSDEV)objcopy
 OBJDUMP = $(CROSSDEV)objdump
 
diff --git a/boards/arm/nrf52/nrf52832-sparkfun/scripts/Make.defs b/boards/arm/nrf52/nrf52832-sparkfun/scripts/Make.defs
index 58df2d5821c..99af1b4da3b 100644
--- a/boards/arm/nrf52/nrf52832-sparkfun/scripts/Make.defs
+++ b/boards/arm/nrf52/nrf52832-sparkfun/scripts/Make.defs
@@ -35,8 +35,8 @@ CXX = $(CROSSDEV)g++
 CPP = $(CROSSDEV)gcc -E
 LD = $(CROSSDEV)ld
 STRIP = $(CROSSDEV)strip --strip-unneeded
-AR = $(ARCROSSDEV)ar rcs
-NM = $(ARCROSSDEV)nm
+AR = $(CROSSDEV)ar rcs
+NM = $(CROSSDEV)nm
 OBJCOPY = $(CROSSDEV)objcopy
 OBJDUMP = $(CROSSDEV)objdump