diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 81adff9..2a5155f 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -251,3 +251,6 @@ Christopher Reimer
 
 Matthias Senzel
   for refining the compatibility patch for VDR 2.3.1
+
+David Binderman
+  for fixing an lseek error check in libdvbmpeg
diff --git a/HISTORY b/HISTORY
index 15c89d2..cfed92c 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,6 +1,7 @@
 VDR Plugin 'streamdev' Revision History
 ---------------------------------------
  
+- fixed lseek error check in libdvbmpeg (thanks to David Binderman)
 - server compatibility with VDR 2.3.1 (thanks to Christopher Reimer and
   Matthias Senzel)
 - client compatibility with VDR 2.3.1
diff --git a/libdvbmpeg/ctools.c b/libdvbmpeg/ctools.c
index 185ba45..f373204 100644
--- a/libdvbmpeg/ctools.c
+++ b/libdvbmpeg/ctools.c
@@ -558,7 +558,7 @@ int read_pes(int f, pes_packet *p){
 
 	while (neof > 0 && !found) {
 	        po = lseek(f,0,SEEK_CUR);
-		if (po < 0) return -1;
+		if (po == (off_t) -1) return -1;
 		if ((neof = save_read(f,&sync4,4)) < 4) return -1;
 		if (sync4[0] == 0x00 && sync4[1] == 0x00 && sync4[2] == 0x01) {
 			p->stream_id = sync4[3];