diff --git a/scripts/tests/twister_blackbox/test_data/tests/dummy/agnostic/group1/subgroup1/test_data.yaml b/scripts/tests/twister_blackbox/test_data/tests/dummy/agnostic/group1/subgroup1/test_data.yaml
index 1e468dc9b97..5bd1d3d4b06 100644
--- a/scripts/tests/twister_blackbox/test_data/tests/dummy/agnostic/group1/subgroup1/test_data.yaml
+++ b/scripts/tests/twister_blackbox/test_data/tests/dummy/agnostic/group1/subgroup1/test_data.yaml
@@ -1,11 +1,11 @@
 tests:
   dummy.agnostic.group1.subgroup1:
     platform_allow:
-      - native_posix
+      - native_sim
       - qemu_x86
       - qemu_x86_64
     integration_platforms:
-      - native_posix
+      - native_sim
     tags:
       - agnostic
       - subgrouped
diff --git a/scripts/tests/twister_blackbox/test_data/tests/dummy/agnostic/group1/subgroup2/test_data.yaml b/scripts/tests/twister_blackbox/test_data/tests/dummy/agnostic/group1/subgroup2/test_data.yaml
index 35f48d68648..9bf2f046885 100644
--- a/scripts/tests/twister_blackbox/test_data/tests/dummy/agnostic/group1/subgroup2/test_data.yaml
+++ b/scripts/tests/twister_blackbox/test_data/tests/dummy/agnostic/group1/subgroup2/test_data.yaml
@@ -2,11 +2,11 @@ tests:
   dummy.agnostic.group1.subgroup2:
     build_only: true
     platform_allow:
-      - native_posix
+      - native_sim
       - qemu_x86
       - qemu_x86_64
     integration_platforms:
-      - native_posix
+      - native_sim
     tags:
       - agnostic
       - subgrouped
diff --git a/scripts/tests/twister_blackbox/test_data/tests/dummy/agnostic/group2/test_data.yaml b/scripts/tests/twister_blackbox/test_data/tests/dummy/agnostic/group2/test_data.yaml
index f0aa17acbde..f53a0d29948 100644
--- a/scripts/tests/twister_blackbox/test_data/tests/dummy/agnostic/group2/test_data.yaml
+++ b/scripts/tests/twister_blackbox/test_data/tests/dummy/agnostic/group2/test_data.yaml
@@ -1,9 +1,9 @@
 tests:
   dummy.agnostic.group2:
     platform_allow:
-      - native_posix
+      - native_sim
       - qemu_x86
       - qemu_x86_64
     integration_platforms:
-      - native_posix
+      - native_sim
     tags: agnostic