diff --git a/process.c b/process.c
index 7bc0ce1e3b..00f8aa38e0 100644
--- a/process.c
+++ b/process.c
@@ -4569,7 +4569,7 @@ proc_daemon(int argc, VALUE *argv)
       case 0:
 	break;
       default:
-	_exit(0);
+	_exit(EXIT_SUCCESS);
     }
 
     proc_setsid();
@@ -4581,7 +4581,7 @@ proc_daemon(int argc, VALUE *argv)
       case 0:
 	break;
       default:
-	_exit(0);
+	_exit(EXIT_SUCCESS);
     }
 
     if (!RTEST(nochdir))