diff --git a/ext/timidity/gstwildmidi.c b/ext/timidity/gstwildmidi.c
index 3e82ca2fba..f52ea9d984 100644
--- a/ext/timidity/gstwildmidi.c
+++ b/ext/timidity/gstwildmidi.c
@@ -672,7 +672,7 @@ gst_wildmidi_get_buffer (GstWildmidi * wildmidi)
   gst_buffer_map (buffer, &info, GST_MAP_READWRITE);
 
   GST_OBJECT_LOCK (wildmidi);
-  size = WildMidi_GetOutput (wildmidi->song, (char *) info.data,
+  size = WildMidi_GetOutput (wildmidi->song, (gpointer) info.data,
       (unsigned long int) info.size);
   GST_OBJECT_UNLOCK (wildmidi);