@@ -593,20 +593,24 @@
 
 - (void)_seekToOffset: (off_t)offset
 {
 	if (lseek(fd, offset, SEEK_SET) == -1)
 		@throw [OFSeekFailedException newWithClass: isa
-						    stream: self];
+						    stream: self
+						    offset: offset
+						    whence: SEEK_SET];
 }
 
 - (off_t)_seekForwardWithOffset: (off_t)offset
 {
 	off_t ret;
 
 	if ((ret = lseek(fd, offset, SEEK_CUR)) == -1)
 		@throw [OFSeekFailedException newWithClass: isa
-						    stream: self];
+						    stream: self
+						    offset: offset
+						    whence: SEEK_CUR];
 
 	return ret;
 }
 
 - (off_t)_seekToOffsetRelativeToEnd: (off_t)offset
@@ -613,11 +617,13 @@
 {
 	off_t ret;
 
 	if ((ret = lseek(fd, offset, SEEK_END)) == -1)
 		@throw [OFSeekFailedException newWithClass: isa
-						    stream: self];
+						    stream: self
+						    offset: offset
+						    whence: SEEK_END];
 
 	return ret;
 }
 
 - (int)fileDescriptor