diff --git a/cmake/kconfig.cmake b/cmake/kconfig.cmake
index df8b9632ba6..7b780f5b118 100644
--- a/cmake/kconfig.cmake
+++ b/cmake/kconfig.cmake
@@ -32,6 +32,7 @@ add_custom_target(
   KCONFIG_CONFIG=${DOTCONFIG}
   ARCH=$ENV{ARCH}
   BOARD_DIR=$ENV{BOARD_DIR}
+  SOC_DIR=$ENV{SOC_DIR}
   ${PYTHON_EXECUTABLE} ${ZEPHYR_BASE}/scripts/kconfig/menuconfig.py ${KCONFIG_ROOT}
   WORKING_DIRECTORY ${PROJECT_BINARY_DIR}/kconfig
   USES_TERMINAL