diff --git a/modules/demux/mkv/mkv.cpp b/modules/demux/mkv/mkv.cpp
index eedeba1..f1d9dc7 100644
--- a/modules/demux/mkv/mkv.cpp
+++ b/modules/demux/mkv/mkv.cpp
@@ -650,6 +650,7 @@ msg_Dbg( p_demux, "block i_dts: %"PRId64" / i_pts: %"PRId64, p_block->i_dts, p_b
  *****************************************************************************/
 static int Demux( demux_t *p_demux)
 {
+    static mtime_t     next_pcr = 0;
     demux_sys_t        *p_sys = p_demux->p_sys;

     vlc_mutex_lock( &p_sys->lock_demuxer );
@@ -714,9 +715,10 @@ static int Demux( demux_t *p_demux)
             p_sys->i_pts = p_sys->i_chapter_time + ( block->GlobalTimecode() / (mtime_t) 1000 );

         /* The blocks are in coding order so we can safely consider that only references are in chronological order */
+/*
         if( simpleblock == NULL || b_key_picture )
             es_out_Control( p_demux->out, ES_OUT_SET_PCR, VLC_TS_0 + p_sys->i_pts );
-
+*/
         if( p_sys->i_pts >= p_sys->i_start_pts  )
         {
             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
@@ -738,6 +740,11 @@ static int Demux( demux_t *p_demux)

         BlockDecode( p_demux, block, simpleblock, p_sys->i_pts, i_block_duration, b_key_picture || b_discardable_picture );

+        if( p_sys->i_pts > next_pcr + 200000 )
+        {
+            es_out_Control( p_demux->out, ES_OUT_SET_PCR, VLC_TS_0 + next_pcr );
+            next_pcr = p_sys->i_pts;
+        }
         delete block;
         i_block_count++;