diff --git a/src/muxer/muxer_pass.c b/src/muxer/muxer_pass.c
index 906099a..47a9a2e 100644
--- a/src/muxer/muxer_pass.c
+++ b/src/muxer/muxer_pass.c
@@ -29,6 +29,33 @@
 #include "muxer_pass.h"
 #include "dvr/dvr.h"
 
+static uint8_t null_pkt[] = {
+  0x47, 0x1F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF
+};
+
 typedef struct pass_muxer {
   muxer_t;
 
@@ -429,39 +456,63 @@ static void
 pass_muxer_write_ts(muxer_t *m, pktbuf_t *pb)
 {
   pass_muxer_t *pm = (pass_muxer_t*)m;
-  unsigned char* tsb;
+  uint8_t tmp[188], *tsb, *pkt = pb->pb_data;
+  size_t  len = pb->pb_size;
   
   /* Rewrite PAT/PMT in operation */
   if (pm->m_config.m_flags & (MC_REWRITE_PAT | MC_REWRITE_PMT)) {
-
     tsb = pb->pb_data;
+    len = 0;
     while (tsb < pb->pb_data + pb->pb_size) {
       int pid = (tsb[1] & 0x1f) << 8 | tsb[2];
 
-      /* PAT */
-      if (pm->m_config.m_flags & MC_REWRITE_PAT && pid == 0) {
-        if (pass_muxer_rewrite_pat(pm, tsb)) {
-          tvherror("pass", "PAT rewrite failed, disabling");
-          pm->m_config.m_flags &= ~MC_REWRITE_PAT;
-        }
-      /* PMT */
-      } else if (pm->m_config.m_flags & MC_REWRITE_PMT && pid == pm->pm_pmt_pid) {
-        if (tsb[1] & 0x40) { /* pusi - the first PMT packet */  
-          memcpy(tsb, pm->pm_pmt, 188);
-          tsb[3] = (pm->pm_pmt[3] & 0xf0) | pm->pm_pmt_cc;
+      /* Process */
+      if ( ((pm->m_config.m_flags & MC_REWRITE_PAT) && (pid == 0)) ||
+           ((pm->m_config.m_flags & MC_REWRITE_PMT) &&
+            (pid == pm->pm_pmt_pid)) ) {
+
+        /* Flush */
+        if (len)
+          pass_muxer_write(m, pkt, len);
+
+        /* Store new start point (after this packet) */
+        pkt = tsb + 188;
+        len = 0;
+
+        /* PAT */
+        if (pid == 0) {
+          memcpy(tmp, tsb, sizeof(tmp));
+          if (pass_muxer_rewrite_pat(pm, tmp)) {
+            tvherror("pass", "PAT rewrite failed, disabling");
+            pm->m_config.m_flags &= ~MC_REWRITE_PAT;
+          }
+          tsb = tmp;
+
+        /* PMT */
+        } else if (tsb[1] & 0x40) { /* pusi - the first PMT packet */
+          pm->pm_pmt[3] = (pm->pm_pmt[3] & 0xf0) | pm->pm_pmt_cc;
           pm->pm_pmt_cc = (pm->pm_pmt_cc + 1) & 0xf;
+          tsb = pm->pm_pmt;
+
         } else {
-          /* Nullify packet */
-          tsb[1] = 0x1f;
-          memset(tsb+2, 0xff, 186);
+          tsb = null_pkt;
         }
+
+        /* Write */
+        pass_muxer_write(m, tsb, 188);
+
+      /* Record */
+      } else {
+        len += 188;
       }
 
+      /* Next packet */
       tsb += 188;
     }
   }
 
-  pass_muxer_write(m, pb->pb_data, pb->pb_size);
+  if (len)
+    pass_muxer_write(m, pkt, len);
 }