2 files changed, 2 insertions, 2 deletions

diff --git a/sys/dev/netmap/netmap_freebsd.c b/sys/dev/netmap/netmap_freebsd.c
index 4a684e0137201..14bbf7c0edd7e 100644
--- a/sys/dev/netmap/netmap_freebsd.c
+++ b/sys/dev/netmap/netmap_freebsd.c
@@ -671,7 +671,7 @@ nm_os_pt_memdev_iomap(struct ptnetmap_memdev *ptn_dev, vm_paddr_t *nm_paddr,
 			&rid, 0, ~0, *mem_size, RF_ACTIVE);
 	if (ptn_dev->pci_mem == NULL) {
 		*nm_paddr = 0;
-		*nm_addr = 0;
+		*nm_addr = NULL;
 		return ENOMEM;
 	}
 
diff --git a/sys/dev/netmap/netmap_mem2.c b/sys/dev/netmap/netmap_mem2.c
index ce633134b9343..d6bc2863027e3 100644
--- a/sys/dev/netmap/netmap_mem2.c
+++ b/sys/dev/netmap/netmap_mem2.c
@@ -2146,7 +2146,7 @@ netmap_mem_pt_guest_deref(struct netmap_mem_d *nmd)
 	    if (ptnmd->ptn_dev) {
 		nm_os_pt_memdev_iounmap(ptnmd->ptn_dev);
 	    }
-	    ptnmd->nm_addr = 0;
+	    ptnmd->nm_addr = NULL;
 	    ptnmd->nm_paddr = 0;
 	}
 }