diff --git a/scumm/smush/smush_mixer.cpp b/scumm/smush/smush_mixer.cpp
index 09a05af29cc..c97d8c23ee7 100644
--- a/scumm/smush/smush_mixer.cpp
+++ b/scumm/smush/smush_mixer.cpp
@@ -98,8 +98,10 @@ bool SmushMixer::handleFrame() {
 				delete _channels[i].chan;
 				_channels[i].id = -1;
 				_channels[i].chan = NULL;
-				_channels[i].stream->finish();
-				_channels[i].stream = 0;
+				if (_channels[i].stream) {
+					_channels[i].stream->finish();
+					_channels[i].stream = 0;
+				}
 			} else {
 				int32 rate, vol, pan;
 				bool stereo, is_16bit;