diff --git a/src/dos/cdrom_image.cpp b/src/dos/cdrom_image.cpp
index b1fc1c59..25a7783a 100644
--- a/src/dos/cdrom_image.cpp
+++ b/src/dos/cdrom_image.cpp
@@ -205,7 +205,7 @@ bool CDROM_Interface_Image::GetAudioSub(unsigned char& attr, unsigned char& trac
 	attr = tracks[track - 1].attr;
 	index = 1;
 	FRAMES_TO_MSF(player.currFrame + 150, &absPos.min, &absPos.sec, &absPos.fr);
-	FRAMES_TO_MSF(player.currFrame - tracks[track - 1].start + 150, &relPos.min, &relPos.sec, &relPos.fr);
+	FRAMES_TO_MSF(player.currFrame - tracks[track - 1].start, &relPos.min, &relPos.sec, &relPos.fr);
 	return true;
 }