diff --git a/scripts/build/builders/nrf.py b/scripts/build/builders/nrf.py
index e82203d39b..84e1708bcf 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_sim/native/64'
+            return 'native_sim'
         else:
             raise Exception('Unknown board type: %r' % self)