diff --git a/src/sys/nact_sys2.cpp b/src/sys/nact_sys2.cpp
index 70dba0d..2dca1de 100644
--- a/src/sys/nact_sys2.cpp
+++ b/src/sys/nact_sys2.cpp
@@ -1242,7 +1242,7 @@ void NACT_Sys2::cmd_y()
 			RND = 0;
 			break;
 		case 255:
-			quit(param == 1 ? NACT_HALT : 0);
+			quit(param == 1 ? NACT_HALT : RND);
 			break;
 	}
 // Y1
diff --git a/src/sys/nact_sys3.cpp b/src/sys/nact_sys3.cpp
index f816040..5f71800 100644
--- a/src/sys/nact_sys3.cpp
+++ b/src/sys/nact_sys3.cpp
@@ -1402,7 +1402,7 @@ void NACT_Sys3::cmd_y()
 			RND = (crc32_a == CRC32_YAKATA3_CD || crc32_a == CRC32_YAKATA3_FD || crc32_a == CRC32_NINGYO) ? 1 : 0;
 			break;
 		case 255:
-			quit(param == 1 ? NACT_HALT : 0);
+			quit(param == 1 ? NACT_HALT : RND);
 			break;
 	}
 }