diff --git a/tools/testing/selftests/net/af_unix/config b/tools/testing/selftests/net/af_unix/config
index b5429c15a53c..41dbb03c747e 100644
--- a/tools/testing/selftests/net/af_unix/config
+++ b/tools/testing/selftests/net/af_unix/config
@@ -1,3 +1,4 @@
 CONFIG_AF_UNIX_OOB=y
 CONFIG_UNIX=y
 CONFIG_UNIX_DIAG=m
+CONFIG_USER_NS=y