diff --git a/tools/testing/selftests/net/forwarding/mirror_lib.sh b/tools/testing/selftests/net/forwarding/mirror_lib.sh
index 67efe2556a4d..d36dc26c6c51 100644
--- a/tools/testing/selftests/net/forwarding/mirror_lib.sh
+++ b/tools/testing/selftests/net/forwarding/mirror_lib.sh
@@ -102,7 +102,10 @@ do_test_span_vlan_dir_ips()
 	local ip1=$1; shift
 	local ip2=$1; shift
 
-	vlan_capture_install $dev "vlan_id $vid"
+	# Install the capture as skip_hw to avoid double-counting of packets.
+	# The traffic is meant for local box anyway, so will be trapped to
+	# kernel.
+	vlan_capture_install $dev "skip_hw vlan_id $vid"
 	mirror_test v$h1 $ip1 $ip2 $dev 100 $expect
 	mirror_test v$h2 $ip2 $ip1 $dev 100 $expect
 	vlan_capture_uninstall $dev