diff --git a/rdpsnd.c b/rdpsnd.c
index d899043..73ecde5 100644
--- a/rdpsnd.c
+++ b/rdpsnd.c
@@ -194,6 +194,7 @@ rdpsnd_process(STREAM s)
 	static uint16 tick, format;
 	static uint8 packet_index;
 	static BOOL awaiting_data_packet;
+	static unsigned char missing_bytes[4] = { 0, 0, 0, 0 };
 
 #ifdef RDPSND_DEBUG
 	printf("RDPSND recv:\n");
@@ -226,6 +227,9 @@ rdpsnd_process(STREAM s)
 			current_format = format;
 		}
 
+		/* Insert the 4 missing bytes retrieved from last RDPSND_WRITE */
+		memcpy(s->data, missing_bytes, 4);
+
 		current_driver->
 			wave_out_write(rdpsnd_dsp_process
 				       (s, current_driver, &formats[current_format]), tick,
@@ -244,6 +248,8 @@ rdpsnd_process(STREAM s)
 			in_uint16_le(s, tick);
 			in_uint16_le(s, format);
 			in_uint8(s, packet_index);
+			/* Here are our lost bytes, but why? */
+			memcpy(missing_bytes, s->end - 4, 4);
 			awaiting_data_packet = True;
 			break;
 		case RDPSND_CLOSE:
diff --git a/rdpsnd_dsp.c b/rdpsnd_dsp.c
index e293931..88f8f4c 100644
--- a/rdpsnd_dsp.c
+++ b/rdpsnd_dsp.c
@@ -129,12 +129,11 @@ rdpsnd_dsp_process(STREAM s, struct audio_driver *current_driver, WAVEFORMATEX *
 		rdpsnd_dsp_swapbytes(s->data, s->size, format);
 #endif
 
-	/* FIXME: where do we lose the 4 bytes referenced here? */
-	out.data = xmalloc(s->size - 4);
+	out.data = xmalloc(s->size);
 
-	memcpy(out.data, s->data + 4, s->size - 4);
+	memcpy(out.data, s->data, s->size);
 
-	out.size = s->size - 4;
+	out.size = s->size;
 	out.p = out.data;
 	out.end = out.p + out.size;