diff --git a/src/Organya.cpp b/src/Organya.cpp
index 101f6b76..069d7a59 100644
--- a/src/Organya.cpp
+++ b/src/Organya.cpp
@@ -255,7 +255,7 @@ void ChangeOrganPan(unsigned char key, unsigned char pan, signed char track)	//
 	if (lpDS == NULL)
 		return;
 
-	if (old_key[track] != PANDUMMY)
+	if (old_key[track] != KEYDUMMY)
 		lpORGANBUFFER[track][old_key[track] / 12][key_twin[track]]->SetPan((pan_tbl[pan] - 0x100) * 10);
 }
 
@@ -264,7 +264,7 @@ void ChangeOrganVolume(int no, long volume, signed char track)	// 300がMAXで30
 	if (lpDS == NULL)
 		return;
 
-	if (old_key[track] != VOLDUMMY)
+	if (old_key[track] != KEYDUMMY)
 		lpORGANBUFFER[track][old_key[track] / 12][key_twin[track]]->SetVolume((volume - 0xFF) * 8);
 }