diff --git a/src/cdrom_dosbox.cpp b/src/cdrom_dosbox.cpp
index 4def610ca..0b2ea24c6 100644
--- a/src/cdrom_dosbox.cpp
+++ b/src/cdrom_dosbox.cpp
@@ -247,7 +247,11 @@ bool CDROM_Interface_Image::LoadIsoFile(char* filename)
 	} else if (CanReadPVD(track.file, RAW_SECTOR_SIZE, true)) {
 		track.sectorSize = RAW_SECTOR_SIZE;
 		track.mode2 = true;		
-	} else return false;
+	} else {
+		/* Unknown mode: Assume regular 2048-byte sectors, this is needed so Apple Rhapsody ISO's can be mounted. */
+		track.sectorSize = COOKED_SECTOR_SIZE;
+		track.mode2 = false;
+	}
 	
 	track.length = track.file->getLength() / track.sectorSize;
 	tracks.push_back(track);
diff --git a/src/cdrom_dosbox.h b/src/cdrom_dosbox.h
index dc88bbe45..8a6364f48 100644
--- a/src/cdrom_dosbox.h
+++ b/src/cdrom_dosbox.h
@@ -171,4 +171,6 @@ typedef	std::vector<Track>::iterator	track_it;
 	std::string	mcn;
 };
 
+void cdrom_image_log(const char *format, ...);
+
 #endif /* __CDROM_INTERFACE__ */
diff --git a/src/cdrom_image.cc b/src/cdrom_image.cc
index a7fee4477..42d40be77 100644
--- a/src/cdrom_image.cc
+++ b/src/cdrom_image.cc
@@ -988,6 +988,7 @@ int image_open(uint8_t id, wchar_t *fn)
 	wcstombs(afn, fn, sizeof(afn));
         if (!cdimg[id]->SetDevice(afn, false))
         {
+		pclog("Image failed to load\n");
                 image_close(id);
 		cdrom_set_null_handler(id);
                 return 1;