diff --git a/scumm/imuse_digi/dimuse_track.cpp b/scumm/imuse_digi/dimuse_track.cpp
index 1c811a544a2..9488a19526c 100644
--- a/scumm/imuse_digi/dimuse_track.cpp
+++ b/scumm/imuse_digi/dimuse_track.cpp
@@ -82,7 +82,9 @@ void IMuseDigital::startSound(int soundId, const char *soundName, int soundType,
 		// processing is done by another thread, we also call parseEvents to
 		// give it some time (and to avoid busy waiting/looping).
 		flushTracks();
+#ifndef __PLAYSTATION2__
 		_vm->parseEvents();
+#endif
 	}
 
 	track->pan = 64;
diff --git a/scumm/scumm.cpp b/scumm/scumm.cpp
index 638b8c30021..333b25ac56c 100644
--- a/scumm/scumm.cpp
+++ b/scumm/scumm.cpp
@@ -1754,6 +1754,9 @@ int ScummEngine::init(GameDetector &detector) {
 		// Since the new costumes are very big, we increase the heap limit, to avoid having
 		// to constantly reload stuff from the data files.
 		res._maxHeapThreshold = 2500000;
+#ifdef __PLAYSTATION2__
+		res._maxHeapThreshold = 6 * 1024 * 1024;
+#endif
 	} else {
 		res._maxHeapThreshold = 550000;
 	}