diff --git a/cmake/modules/kconfig.cmake b/cmake/modules/kconfig.cmake
index 7c4a059b570..632e9a72422 100644
--- a/cmake/modules/kconfig.cmake
+++ b/cmake/modules/kconfig.cmake
@@ -122,6 +122,12 @@ else()
   set(_local_TOOLCHAIN_HAS_NEWLIB n)
 endif()
 
+if(TOOLCHAIN_HAS_PICOLIBC)
+  set(_local_TOOLCHAIN_HAS_PICOLIBC y)
+else()
+  set(_local_TOOLCHAIN_HAS_PICOLIBC n)
+endif()
+
 set(COMMON_KCONFIG_ENV_SETTINGS
   PYTHON_EXECUTABLE=${PYTHON_EXECUTABLE}
   srctree=${ZEPHYR_BASE}
@@ -140,6 +146,7 @@ set(COMMON_KCONFIG_ENV_SETTINGS
   ZEPHYR_TOOLCHAIN_VARIANT=${ZEPHYR_TOOLCHAIN_VARIANT}
   TOOLCHAIN_KCONFIG_DIR=${TOOLCHAIN_KCONFIG_DIR}
   TOOLCHAIN_HAS_NEWLIB=${_local_TOOLCHAIN_HAS_NEWLIB}
+  TOOLCHAIN_HAS_PICOLIBC=${_local_TOOLCHAIN_HAS_PICOLIBC}
   EDT_PICKLE=${EDT_PICKLE}
   # Export all Zephyr modules to Kconfig
   ${ZEPHYR_KCONFIG_MODULES_DIR}