diff --git a/tools/testing/selftests/bpf/prog_tests/lwt_helpers.h b/tools/testing/selftests/bpf/prog_tests/lwt_helpers.h
index 61333f2a03f91f..68c08309dbc823 100644
--- a/tools/testing/selftests/bpf/prog_tests/lwt_helpers.h
+++ b/tools/testing/selftests/bpf/prog_tests/lwt_helpers.h
@@ -27,8 +27,6 @@
 			}                                                     \
 	})
 
-#define NETNS "ns_lwt"
-
 static inline int netns_create(void)
 {
 	return system("ip netns add " NETNS);
diff --git a/tools/testing/selftests/bpf/prog_tests/lwt_redirect.c b/tools/testing/selftests/bpf/prog_tests/lwt_redirect.c
index ea326e26656f5d..7b458ae5f0f856 100644
--- a/tools/testing/selftests/bpf/prog_tests/lwt_redirect.c
+++ b/tools/testing/selftests/bpf/prog_tests/lwt_redirect.c
@@ -53,6 +53,7 @@
 #include <stdbool.h>
 #include <stdlib.h>
 
+#define NETNS "ns_lwt_redirect"
 #include "lwt_helpers.h"
 #include "test_progs.h"
 #include "network_helpers.h"
diff --git a/tools/testing/selftests/bpf/prog_tests/lwt_reroute.c b/tools/testing/selftests/bpf/prog_tests/lwt_reroute.c
index f4bb2d5fcae0a0..c104f07f1b0bc0 100644
--- a/tools/testing/selftests/bpf/prog_tests/lwt_reroute.c
+++ b/tools/testing/selftests/bpf/prog_tests/lwt_reroute.c
@@ -48,6 +48,7 @@
  *  For case 2, force UDP packets to overflow fq limit. As long as kernel
  *  is not crashed, it is considered successful.
  */
+#define NETNS "ns_lwt_reroute"
 #include "lwt_helpers.h"
 #include "network_helpers.h"
 #include <linux/net_tstamp.h>