diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index fd2bdc9ac7..9751bc6be9 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -184,7 +184,7 @@ bool qemu_write_pidfile(const char *path, Error **errp)
     }
 
     snprintf(pidstr, sizeof(pidstr), FMT_pid "\n", getpid());
-    if (write(fd, pidstr, strlen(pidstr)) != strlen(pidstr)) {
+    if (qemu_write_full(fd, pidstr, strlen(pidstr)) != strlen(pidstr)) {
         error_setg(errp, "Failed to write pid file");
         goto fail_unlink;
     }