diff --git a/rogue5/mach_dep.c b/rogue5/mach_dep.c
index f2f2fa1..6a186ff 100644
--- a/rogue5/mach_dep.c
+++ b/rogue5/mach_dep.c
@@ -165,7 +165,7 @@ getltchars(void)
 void
 setup(void)
 {
-#ifdef DUMP
+#ifndef DUMP
     md_onsignal_autosave();
 #else
     md_onsignal_default();