diff --git a/libdvdnav-pgc-cell_playback.patch b/libdvdnav-pgc-cell_playback.patch
new file mode 100644
index 0000000..4a082e9
--- /dev/null
+++ b/libdvdnav-pgc-cell_playback.patch
@@ -0,0 +1,12 @@
+diff --git a/src/searching.c b/src/searching.c
+index 66f7adb..31bf0d3 100644
+--- a/src/searching.c
++++ b/src/searching.c
+@@ -628,6 +628,7 @@ uint32_t dvdnav_describe_title_chapters(dvdnav_t *this, int32_t title, uint64_t
+     else
+       endcellnr = 0;
+ 
++    if (!pgc->cell_playback) continue;
+     do {
+       cell = &pgc->cell_playback[cellnr-1];
+       if(!(cell->block_type == BLOCK_TYPE_ANGLE_BLOCK &&