diff --git a/tools/testing/selftests/net/ip_defrag.sh b/tools/testing/selftests/net/ip_defrag.sh
index 15d3489ecd9cee13247d06cc5eaf39967a752785..ceb7ad4dbd945f38f115010949a335fd982e9e03 100755
--- a/tools/testing/selftests/net/ip_defrag.sh
+++ b/tools/testing/selftests/net/ip_defrag.sh
@@ -6,6 +6,8 @@
 set +x
 set -e
 
+modprobe -q nf_defrag_ipv6
+
 readonly NETNS="ns-$(mktemp -u XXXXXX)"
 
 setup() {