diff --git a/src/nspawn.c b/src/nspawn.c
index 8441c05..46c6a0d 100644
--- a/src/nspawn.c
+++ b/src/nspawn.c
@@ -714,7 +714,7 @@ int main(int argc, char *argv[]) {
         assert_se(sigprocmask(SIG_BLOCK, &mask, NULL) == 0);
 
         if ((pid = syscall(__NR_clone, SIGCHLD|CLONE_NEWIPC|CLONE_NEWNS|CLONE_NEWPID|CLONE_NEWUTS|(arg_private_network ? CLONE_NEWNET : 0), NULL)) < 0) {
-                log_error("clone() failed: %m");
+                log_error("clone() failed, do you have kernel namespace support (CONFIG: UTS_NS, IPC_NS, PID_NS, NET_NS)?: %m");
                 goto finish;
         }