diff --git a/test/zdtm/lib/ns.c b/test/zdtm/lib/ns.c
index 6befc9e0c..95c3e44b0 100644
--- a/test/zdtm/lib/ns.c
+++ b/test/zdtm/lib/ns.c
@@ -100,6 +100,11 @@ static int prepare_mntns(void)
 		return -1;
 	}
 
+	if (mount("zdtm_run", "/run", "tmpfs", 0, NULL)) {
+		fprintf(stderr, "Unable to mount /run: %m\n");
+		return -1;
+	}
+
 	if (umount2("./old", MNT_DETACH)) {
 		fprintf(stderr, "umount(./old) failed: %m\n");
 		return -1;