diff --git a/tests/net/arp/prj.mdef b/tests/net/arp/prj.mdef
index 79a413f1797..648f29b5c4e 100644
--- a/tests/net/arp/prj.mdef
+++ b/tests/net/arp/prj.mdef
@@ -2,4 +2,4 @@
 
 % TASK NAME         PRIO ENTRY           STACK GROUPS
 % ===================================================
-  TASK MAIN            7 mainloop        2048 [EXE]
+  TASK MAIN            7 main            2048 [EXE]
diff --git a/tests/net/arp/src/main.c b/tests/net/arp/src/main.c
index c178b1e2ebb..ee9802dbb7c 100644
--- a/tests/net/arp/src/main.c
+++ b/tests/net/arp/src/main.c
@@ -16,6 +16,9 @@
  * limitations under the License.
  */
 
+#include <zephyr.h>
+#include <sections.h>
+
 #include <stdint.h>
 #include <stddef.h>
 #include <string.h>
@@ -321,11 +324,7 @@ NET_DEVICE_INIT(net_arp_test, "net_arp_test",
 		CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
 		&net_arp_if_api, _ETH_L2_LAYER, 127);
 
-#ifdef CONFIG_MICROKERNEL
-void mainloop(void)
-#else
-void main(void)
-#endif
+void main_fiber(void)
 {
 	struct net_buf *buf, *buf2;
 	struct net_buf *frag;
@@ -763,3 +762,18 @@ void main(void)
 
 	printk("Network ARP checks passed\n");
 }
+
+#if defined(CONFIG_NANOKERNEL)
+#define STACKSIZE 2000
+char __noinit __stack fiberStack[STACKSIZE];
+#endif
+
+void main(void)
+{
+#if defined(CONFIG_MICROKERNEL)
+	main_fiber();
+#else
+	task_fiber_start(&fiberStack[0], STACKSIZE,
+			(nano_fiber_entry_t)main_fiber, 0, 0, 7, 0);
+#endif
+}