diff --git a/config/nrfconnect/chip-module/CMakeLists.txt b/config/nrfconnect/chip-module/CMakeLists.txt
index 2f87e4b01c..d0f84bcd69 100644
--- a/config/nrfconnect/chip-module/CMakeLists.txt
+++ b/config/nrfconnect/chip-module/CMakeLists.txt
@@ -196,7 +196,7 @@ endif()
 
 if (BOARD STREQUAL "native_posix")
     matter_add_gn_arg_string("target_cpu" "x86")
-elseif (BOARD STREQUAL "native_posix_64")
+elseif (BOARD STREQUAL "native_posix/native/64")
     matter_add_gn_arg_string("target_cpu" "x64")
 endif()
 
diff --git a/config/nxp/chip-module/CMakeLists.txt b/config/nxp/chip-module/CMakeLists.txt
index 5024672e14..12514adcc7 100644
--- a/config/nxp/chip-module/CMakeLists.txt
+++ b/config/nxp/chip-module/CMakeLists.txt
@@ -132,7 +132,7 @@ endif()
 
 # if (BOARD STREQUAL "native_posix")
 #     matter_add_gn_arg_string("target_cpu" "x86")
-# elseif (BOARD STREQUAL "native_posix_64")
+# elseif (BOARD STREQUAL "native_posix/native/64")
 #     matter_add_gn_arg_string("target_cpu" "x64")
 # endif()
 
diff --git a/config/zephyr/chip-module/CMakeLists.txt b/config/zephyr/chip-module/CMakeLists.txt
index fb94465b77..2bcf0de54f 100644
--- a/config/zephyr/chip-module/CMakeLists.txt
+++ b/config/zephyr/chip-module/CMakeLists.txt
@@ -110,7 +110,7 @@ if(CONFIG_CHIP)
 
     if(BOARD STREQUAL "native_posix")
         matter_add_gn_arg_string("target_cpu" "x86")
-    elseif(BOARD STREQUAL "native_posix_64")
+    elseif(BOARD STREQUAL "native_posix/native/64")
         matter_add_gn_arg_string("target_cpu" "x64")
     endif()
 
diff --git a/scripts/build/builders/nrf.py b/scripts/build/builders/nrf.py
index 5fbc417ffe..4e12e1e9ed 100644
--- a/scripts/build/builders/nrf.py
+++ b/scripts/build/builders/nrf.py
@@ -128,7 +128,7 @@ def GnArgName(self):
         elif self == NrfBoard.NRF5340DK:
             return 'nrf5340dk_nrf5340_cpuapp'
         elif self == NrfBoard.NATIVE_POSIX_64:
-            return 'native_posix_64'
+            return 'native_posix/native/64'
         else:
             raise Exception('Unknown board type: %r' % self)
 
diff --git a/src/test_driver/nrfconnect/CMakeLists.txt b/src/test_driver/nrfconnect/CMakeLists.txt
index 750853ea25..7e154ffc04 100644
--- a/src/test_driver/nrfconnect/CMakeLists.txt
+++ b/src/test_driver/nrfconnect/CMakeLists.txt
@@ -18,7 +18,7 @@
 #   @file
 #     CMake project for building and running selected CHIP unit tests using
 #     'nrfconnect' platform integration layer in CHIP and Zephyr
-#     'native_posix[_64]' platforms. Note that certain design decisions behind
+#     'native_posix[/native/64]' platforms. Note that certain design decisions behind
 #     the native_posix platforms make them inapplicable for some unit tests,
 #     hence only a subset of CHIP unit tests is listed in the project.
 #     See: https://docs.zephyrproject.org/1.12.0/boards/posix/native_posix/doc/board.html