diff --git a/src/dvr/mkmux.c b/src/dvr/mkmux.c
index 6b42f008..2fdc97bc 100644
--- a/src/dvr/mkmux.c
+++ b/src/dvr/mkmux.c
@@ -79,7 +79,7 @@ struct mk_mux {
   htsbuf_queue_t *cluster;
   int64_t cluster_tc;
   off_t cluster_pos;
-
+  int cluster_maxsize;
 
   off_t segment_header_pos;
 
@@ -706,6 +706,7 @@ mk_mux_create(const char *filename,
   mkm->filename = strdup(filename);
   mkm->fd = fd;
   mkm->title = strdup(de->de_title);
+  mkm->cluster_maxsize = 2*1024*1024; //2Mb
   TAILQ_INIT(&mkm->cues);
 
   mk_write_master(mkm, 0x1a45dfa3, mk_build_ebmlheader());
@@ -760,6 +761,11 @@ mk_mux_stream_create(int fd, const struct streaming_start *ss,
  
   mk_write_queue(mkm, &q);
 
+  if(mkm->has_video)
+    mkm->cluster_maxsize = 100*1024; //200Kb
+  else
+    mkm->cluster_maxsize = 10*1024; //20Kb
+
   return mkm;
 }
 
@@ -804,7 +810,6 @@ mk_write_frame_i(mk_mux_t *mkm, mk_track *t, th_pkt_t *pkt)
 
   uint8_t *data;
   size_t len;
-  const int clusersizemax = 2000000;
 
   if(pts == PTS_UNSET)
     // This is our best guess, it might be wrong but... oh well
@@ -830,13 +835,10 @@ mk_write_frame_i(mk_mux_t *mkm, mk_track *t, th_pkt_t *pkt)
     return;
   }
 
-  if(vkeyframe && mkm->cluster && mkm->cluster->hq_size > clusersizemax/4)
+  if(vkeyframe && mkm->cluster && mkm->cluster->hq_size > mkm->cluster_maxsize / 4)
     mk_close_cluster(mkm);
 
-  else if(mkm->cluster && mkm->cluster->hq_size > clusersizemax)
-    mk_close_cluster(mkm);
-
-  else if(!mkm->has_video && mkm->cluster && mkm->cluster->hq_size > clusersizemax/40)
+  else if(mkm->cluster && mkm->cluster->hq_size > mkm->cluster_maxsize)
     mk_close_cluster(mkm);
 
   if(mkm->cluster == NULL) {