diff --git a/tests/net/lib/lwm2m/interop/boards/native_posix.conf b/tests/net/lib/lwm2m/interop/boards/native_sim.conf
similarity index 82%
rename from tests/net/lib/lwm2m/interop/boards/native_posix.conf
rename to tests/net/lib/lwm2m/interop/boards/native_sim.conf
index 422e2c1bde4..2dc86f3d484 100644
--- a/tests/net/lib/lwm2m/interop/boards/native_posix.conf
+++ b/tests/net/lib/lwm2m/interop/boards/native_sim.conf
@@ -3,6 +3,6 @@ CONFIG_DNS_SERVER_IP_ADDRESSES=y
 CONFIG_DNS_SERVER1="192.0.2.2"
 CONFIG_LWM2M_DNS_SUPPORT=y
 CONFIG_NET_CONFIG_MY_IPV4_GW="192.0.2.2"
-CONFIG_NATIVE_POSIX_SLOWDOWN_TO_REAL_TIME=y
+CONFIG_NATIVE_SIM_SLOWDOWN_TO_REAL_TIME=y
 CONFIG_NATIVE_UART_0_ON_STDINOUT=y
 CONFIG_ASAN=y
diff --git a/tests/net/lib/lwm2m/interop/testcase.yaml b/tests/net/lib/lwm2m/interop/testcase.yaml
index 42bd53814bf..06390472269 100644
--- a/tests/net/lib/lwm2m/interop/testcase.yaml
+++ b/tests/net/lib/lwm2m/interop/testcase.yaml
@@ -7,9 +7,9 @@ tests:
       pytest_dut_scope: module
       pytest_args: []
     integration_platforms:
-      - native_posix
+      - native_sim
     platform_allow:
-      - native_posix
+      - native_sim
       - qemu_cortex_m3
       - qemu_x86
     tags: