diff --git a/libs/audio/renderer/flac.c b/libs/audio/renderer/flac.c
index dfa32c080..708ada4bc 100644
--- a/libs/audio/renderer/flac.c
+++ b/libs/audio/renderer/flac.c
@@ -344,7 +344,7 @@ flac_stream_read (void *file, float **buf)
 
 	if (!res) {
 		stream->error = 1;
-		return -1;
+		return 0;
 	}
 	*buf = ff->buffer;
 	return ff->size;
diff --git a/libs/audio/renderer/midi.c b/libs/audio/renderer/midi.c
index 73ec31282..c2698aac2 100644
--- a/libs/audio/renderer/midi.c
+++ b/libs/audio/renderer/midi.c
@@ -109,7 +109,7 @@ midi_stream_read (void *file, float **buf)
 	res = WildMidi_GetOutput (mf->handle, (char *)data, size);
 	if (res <= 0) {
 		stream->error = 1;
-		return res;
+		return 0;
 	}
 	res /= CHANNELS * WIDTH;
 	SND_Convert (data, mf->data, res, CHANNELS, WIDTH);
diff --git a/libs/audio/renderer/vorbis.c b/libs/audio/renderer/vorbis.c
index 2d8bf2453..ce2588920 100644
--- a/libs/audio/renderer/vorbis.c
+++ b/libs/audio/renderer/vorbis.c
@@ -230,7 +230,7 @@ vorbis_stream_read (void *file, float **buf)
 	res = vorbis_read (vf->vf, vf->data, FRAMES, &stream->wavinfo);
 	if (res <= 0) {
 		stream->error = 1;
-		return res;
+		return 0;
 	}
 	*buf = vf->data;
 	return res;
diff --git a/libs/audio/renderer/wav.c b/libs/audio/renderer/wav.c
index c33fae126..0ee193fa2 100644
--- a/libs/audio/renderer/wav.c
+++ b/libs/audio/renderer/wav.c
@@ -114,7 +114,7 @@ wav_stream_read (void *file, float **buf)
 	res = Qread (wf->file, data, len);
 	if (res <= 0) {
 		stream->error = 1;
-		return res;
+		return 0;
 	}
 	res /= (info->channels * info->width);
 	SND_Convert (data, wf->data, res, info->channels, info->width);