diff --git a/src/meta/sd9.c b/src/meta/sd9.c
index 89ef384c..9c373bf8 100644
--- a/src/meta/sd9.c
+++ b/src/meta/sd9.c
@@ -3,59 +3,59 @@
 
 /* SD9 (found in beatmania IIDX Arcade games) */
 VGMSTREAM * init_vgmstream_sd9(STREAMFILE *streamFile) {
-	VGMSTREAM * vgmstream = NULL;
-	off_t start_offset;
-	int loop_flag, channel_count;
+    VGMSTREAM * vgmstream = NULL;
+    off_t start_offset;
+    int loop_flag, channel_count;
 
-	/* check extension */
-	if (!check_extensions(streamFile, "sd9"))
-		goto fail;
+    /* check extension */
+    if (!check_extensions(streamFile, "sd9"))
+        goto fail;
 
-	/* check header */
-	if (read_32bitBE(0x0, streamFile) != 0x53443900) /* SD9 */
-		goto fail;
-	if (read_32bitBE(0x20, streamFile) != 0x52494646) /* RIFF */
-		goto fail;
-	if (read_32bitBE(0x28, streamFile) != 0x57415645) /* WAVE */
-		goto fail;
-	if (read_32bitBE(0x2c, streamFile) != 0x666D7420) /* fmt */
-		goto fail;
-	if (read_32bitBE(0x72, streamFile) != 0x64617461) /* data */
-		goto fail;
+    /* check header */
+    if (read_32bitBE(0x0, streamFile) != 0x53443900) /* SD9 */
+        goto fail;
+    if (read_32bitBE(0x20, streamFile) != 0x52494646) /* RIFF */
+        goto fail;
+    if (read_32bitBE(0x28, streamFile) != 0x57415645) /* WAVE */
+        goto fail;
+    if (read_32bitBE(0x2c, streamFile) != 0x666D7420) /* fmt */
+        goto fail;
+    if (read_32bitBE(0x72, streamFile) != 0x64617461) /* data */
+        goto fail;
 
-	/* Probably better to check if loop end exists and use as loop flag.
-	   Blame SD9s from beatmania IIDX 21: Spada that have a flase flag
-	   but still "loop" */
+    /* Probably better to check if loop end exists and use as loop flag.
+       Blame SD9s from beatmania IIDX 21: Spada that have a flase flag
+       but still "loop" */
 
-	   //loop_flag = (read_16bitLE(0x0e,streamFile)==0x1);
-	loop_flag = read_32bitLE(0x18, streamFile); // use loop end
-	channel_count = read_16bitLE(0x36, streamFile);
+    //loop_flag = (read_16bitLE(0x0e,streamFile)==0x1);
+    loop_flag = read_32bitLE(0x18, streamFile); // use loop end
+    channel_count = read_16bitLE(0x36, streamFile);
 
-	/* build the VGMSTREAM */
-	vgmstream = allocate_vgmstream(channel_count, loop_flag);
-	if (!vgmstream) goto fail;
+    /* build the VGMSTREAM */
+    vgmstream = allocate_vgmstream(channel_count, loop_flag);
+    if (!vgmstream) goto fail;
 
-	/* fill in the vital statistics */
-	start_offset = 0x7a;
-	vgmstream->channels = channel_count;
-	vgmstream->sample_rate = read_32bitLE(0x38, streamFile);
-	vgmstream->coding_type = coding_MSADPCM;
-	vgmstream->num_samples = read_32bitLE(0x6e, streamFile);
-	if (loop_flag) {
-		vgmstream->loop_start_sample = read_32bitLE(0x14, streamFile) / 2 / channel_count;
-		vgmstream->loop_end_sample = read_32bitLE(0x18, streamFile) / 2 / channel_count;
-	}
+    /* fill in the vital statistics */
+    start_offset = 0x7a;
+    vgmstream->channels = channel_count;
+    vgmstream->sample_rate = read_32bitLE(0x38, streamFile);
+    vgmstream->coding_type = coding_MSADPCM;
+    vgmstream->num_samples = read_32bitLE(0x6e, streamFile);
+    if (loop_flag) {
+        vgmstream->loop_start_sample = read_32bitLE(0x14, streamFile) / 2 / channel_count;
+        vgmstream->loop_end_sample = read_32bitLE(0x18, streamFile) / 2 / channel_count;
+    }
 
-	vgmstream->layout_type = layout_none;
-	vgmstream->interleave_block_size = read_16bitLE(0x40, streamFile);
-	vgmstream->meta_type = meta_SD9;
+    vgmstream->layout_type = layout_none;
+    vgmstream->interleave_block_size = read_16bitLE(0x40, streamFile);
+    vgmstream->meta_type = meta_SD9;
 
-	/* open the file for reading */
-	if (!vgmstream_open_stream(vgmstream, streamFile, start_offset))
-		goto fail;
-	return vgmstream;
+    /* open the file for reading */
+    if (!vgmstream_open_stream(vgmstream, streamFile, start_offset))
+        goto fail;
+    return vgmstream;
 
 fail:
-	close_vgmstream(vgmstream);
-	return NULL;
+    close_vgmstream(vgmstream);
+    return NULL;
 }
\ No newline at end of file