diff --git a/scripts/Makefile.toolchain.zephyr b/scripts/Makefile.toolchain.zephyr
index 0b6e1cd5e12..522d3639db0 100644
--- a/scripts/Makefile.toolchain.zephyr
+++ b/scripts/Makefile.toolchain.zephyr
@@ -48,6 +48,15 @@ LIB_INCLUDE_DIR_arc = -L ${ZEPHYR_SDK_INSTALL_DIR}/sysroots/$(CROSS_COMPILE_TARG
 LIB_INCLUDE_DIR_arc += -L ${ZEPHYR_SDK_INSTALL_DIR}/sysroots/$(CROSS_COMPILE_TARGET_arc)/usr/${CROSS_COMPILE_TARGET_arc}/lib/em
 TOOLCHAIN_CFLAGS_arc = -I${ZEPHYR_SDK_INSTALL_DIR}/sysroots/$(CROSS_COMPILE_TARGET_arc)/usr/${CROSS_COMPILE_TARGET_arc}/include
 
+# nios2
+CROSS_COMPILE_TARGET_nios2 = nios2-poky-elf
+CROSS_COMPILE_nios2 = $(TOOLCHAIN_HOME)/usr/bin/$(CROSS_COMPILE_TARGET_nios2)/$(CROSS_COMPILE_TARGET_nios2)-
+CROSS_COMPILE_nios2_version = $(shell $(CROSS_COMPILE_nios2)gcc -dumpversion)
+
+LIB_INCLUDE_DIR_nios2 = -L ${ZEPHYR_SDK_INSTALL_DIR}/sysroots/$(CROSS_COMPILE_TARGET_nios2)/usr/lib/$(CROSS_COMPILE_TARGET_nios2)/$(CROSS_COMPILE_nios2_version)
+LIB_INCLUDE_DIR_nios2 += -L ${ZEPHYR_SDK_INSTALL_DIR}/sysroots/$(CROSS_COMPILE_TARGET_nios2)/usr/lib
+TOOLCHAIN_CFLAGS_nios2 = -I${ZEPHYR_SDK_INSTALL_DIR}/sysroots/$(CROSS_COMPILE_TARGET_nios2)/usr/include
+
 ifneq ($(CONFIG_TOOLCHAIN_VARIANT),"")
 CROSS_COMPILE = $(CROSS_COMPILE_$(subst $\",,$(CONFIG_TOOLCHAIN_VARIANT)))
 LIB_INCLUDE_DIR = $(LIB_INCLUDE_DIR_$(subst $\",,$(CONFIG_TOOLCHAIN_VARIANT)))