diff --git a/linux-user/strace.c b/linux-user/strace.c
index b70eadc19e..f68c5cdc44 100644
--- a/linux-user/strace.c
+++ b/linux-user/strace.c
@@ -4401,7 +4401,7 @@ print_syscall(CPUArchState *cpu_env, int num,
     if (!f) {
         return;
     }
-    fprintf(f, "%d ", getpid());
+    fprintf(f, "%d ", get_task_state(env_cpu(cpu_env))->ts_tid);
 
     for (i = 0; i < nsyscalls; i++) {
         if (scnames[i].nr == num) {