diff --git a/ChangeLog b/ChangeLog
index 1bc57cff2..f46e73a80 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2005-09-15  Moritz Bunkus  <moritz@bunkus.org>
+
+	* mkvmerge: bug fix: Appending files with RealVideo was
+	broken.
+
 2005-09-09  Moritz Bunkus  <moritz@bunkus.org>
 
 	* mkvmerge, mkvextract: bug fix: ASS files sometimes use a column
diff --git a/src/input/r_real.cpp b/src/input/r_real.cpp
index 29542d762..9fa91421d 100644
--- a/src/input/r_real.cpp
+++ b/src/input/r_real.cpp
@@ -688,7 +688,7 @@ real_reader_c::assemble_video_packet(real_demuxer_t *dmx,
       set_dimensions(dmx, assembled->data, assembled->size);
     packet_t *packet =
       new packet_t(new memory_c(assembled->data, assembled->size, true),
-                   (int64_t)assembled->timecode * 1000000, -1,
+                   (int64_t)assembled->timecode * 1000000, 0,
                    (assembled->flags & RMFF_FRAME_FLAG_KEYFRAME) ==
                    RMFF_FRAME_FLAG_KEYFRAME ? VFT_IFRAME :
                    VFT_PFRAMEAUTOMATIC, VFT_NOBFRAME);