diff --git a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c
index 0c543c385b..4a20775af4 100644
--- a/libavformat/mpegtsenc.c
+++ b/libavformat/mpegtsenc.c
@@ -1534,51 +1534,51 @@ static void mpegts_write_pes(AVFormatContext *s, AVStream *st,
                 stream_id != 0xF2 &&  // DSMCC_stream
                 stream_id != 0xF8) {  // ITU-T Rec. H.222.1 type E stream
 
-            val  = 0x80;
-            /* data alignment indicator is required for subtitle and data streams */
-            if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE || st->codecpar->codec_type == AVMEDIA_TYPE_DATA)
-                val |= 0x04;
-            *q++ = val;
-            *q++ = flags;
-            *q++ = header_len;
-            if (pts != AV_NOPTS_VALUE) {
-                write_pts(q, flags >> 6, pts);
-                q += 5;
-            }
-            if (dts != AV_NOPTS_VALUE && pts != AV_NOPTS_VALUE && dts != pts) {
-                write_pts(q, 1, dts);
-                q += 5;
-            }
-            if (pes_extension && st->codecpar->codec_id == AV_CODEC_ID_DIRAC) {
-                flags = 0x01;  /* set PES_extension_flag_2 */
-                *q++  = flags;
-                *q++  = 0x80 | 0x01; /* marker bit + extension length */
-                /* Set the stream ID extension flag bit to 0 and
-                 * write the extended stream ID. */
-                *q++ = 0x00 | 0x60;
-            }
-            /* For Blu-ray AC3 Audio Setting extended flags */
-            if (ts->m2ts_mode &&
-                pes_extension &&
-                st->codecpar->codec_id == AV_CODEC_ID_AC3) {
-                flags = 0x01; /* set PES_extension_flag_2 */
+                val  = 0x80;
+                /* data alignment indicator is required for subtitle and data streams */
+                if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE || st->codecpar->codec_type == AVMEDIA_TYPE_DATA)
+                    val |= 0x04;
+                *q++ = val;
                 *q++ = flags;
-                *q++ = 0x80 | 0x01; /* marker bit + extension length */
-                *q++ = 0x00 | 0x71; /* for AC3 Audio (specifically on blue-rays) */
-            }
+                *q++ = header_len;
+                if (pts != AV_NOPTS_VALUE) {
+                    write_pts(q, flags >> 6, pts);
+                    q += 5;
+                }
+                if (dts != AV_NOPTS_VALUE && pts != AV_NOPTS_VALUE && dts != pts) {
+                    write_pts(q, 1, dts);
+                    q += 5;
+                }
+                if (pes_extension && st->codecpar->codec_id == AV_CODEC_ID_DIRAC) {
+                    flags = 0x01;  /* set PES_extension_flag_2 */
+                    *q++  = flags;
+                    *q++  = 0x80 | 0x01; /* marker bit + extension length */
+                    /* Set the stream ID extension flag bit to 0 and
+                     * write the extended stream ID. */
+                    *q++ = 0x00 | 0x60;
+                }
+                /* For Blu-ray AC3 Audio Setting extended flags */
+                if (ts->m2ts_mode &&
+                    pes_extension &&
+                    st->codecpar->codec_id == AV_CODEC_ID_AC3) {
+                    flags = 0x01; /* set PES_extension_flag_2 */
+                    *q++ = flags;
+                    *q++ = 0x80 | 0x01; /* marker bit + extension length */
+                    *q++ = 0x00 | 0x71; /* for AC3 Audio (specifically on blue-rays) */
+                }
 
 
-            if (is_dvb_subtitle) {
-                /* First two fields of DVB subtitles PES data:
-                 * data_identifier: for DVB subtitle streams shall be coded with the value 0x20
-                 * subtitle_stream_id: for DVB subtitle stream shall be identified by the value 0x00 */
-                *q++ = 0x20;
-                *q++ = 0x00;
-            }
-            if (is_dvb_teletext) {
-                memset(q, 0xff, pes_header_stuffing_bytes);
-                q += pes_header_stuffing_bytes;
-            }
+                if (is_dvb_subtitle) {
+                    /* First two fields of DVB subtitles PES data:
+                     * data_identifier: for DVB subtitle streams shall be coded with the value 0x20
+                     * subtitle_stream_id: for DVB subtitle stream shall be identified by the value 0x00 */
+                    *q++ = 0x20;
+                    *q++ = 0x00;
+                }
+                if (is_dvb_teletext) {
+                    memset(q, 0xff, pes_header_stuffing_bytes);
+                    q += pes_header_stuffing_bytes;
+                }
             }
             is_start = 0;
         }
