diff --git a/Makefile b/Makefile
index 9ebdbcf..94b8746 100644
--- a/Makefile
+++ b/Makefile
@@ -12,13 +12,11 @@ CFLAGS +=	-I. -Isrc -Isrc/halloc
 
 INSTALL =	install
 
-INCLUDEFLAGS ?=	`pkg-config --cflags  oggplay` `imlib2-config --cflags`
+INCLUDEFLAGS ?=	`pkg-config --cflags  oggplay nestegg` `imlib2-config --cflags`
 LINKFLAGS ?=    -L${PREFIX}/lib
 LINKFLAGS +=    `imlib2-config --libs`
-#LINKFLAGS +=    `pkg-config  --libs oggplay`
-LINKFLAGS +=    -L/usr/local/lib /usr/local/lib/liboggplay.a 
-LINKFLAGS +=    -loggz -lfishsound -ltheora -lvorbisenc -lvorbis -lm -logg -lkate -lpthread
-LINKFLAGS +=    -lvpx -lnestegg
+LINKFLAGS +=    `pkg-config  --libs oggplay nestegg`
+LINKFLAGS +=    -lvpx
 
 all: ${PROG}
 
diff --git a/src/oxframe.c b/src/oxframe.c
index 4a984cf..8fdb702 100644
--- a/src/oxframe.c
+++ b/src/oxframe.c
@@ -267,7 +267,7 @@ int extract_frame_ogv(oxstate *state) {
   int             fps_num = 25;
   int             fps_denom = 1;
   int             granuleshift = 6;
-  long            max_num, offset;
+  long            offset;
 
   OggPlay       * player;
   OggPlayReader * reader = NULL;
@@ -289,8 +289,8 @@ int extract_frame_ogv(oxstate *state) {
   }
   oggplay_set_data_callback(player, dump_frame_callback, state);
 
-  max_num = 1 << granuleshift;
-  offset = (1000 * max_num * fps_denom) / fps_num;
+  offset = 500 + 1000 * ((1 << granuleshift) - 1) * fps_denom / fps_num;
+  fprintf (stderr, "granule: %d offset %ld\n", granuleshift, offset);
 
   state->duration = oggplay_get_duration(player);