diff --git a/formats/format_sln.c b/formats/format_sln.c
index 7e77876b27..224054775b 100755
--- a/formats/format_sln.c
+++ b/formats/format_sln.c
@@ -160,6 +160,7 @@ static int slinear_seek(struct ast_filestream *fs, long sample_offset, int whenc
 	off_t offset=0,min,cur,max;
 
 	min = 0;
+	sample_offset <<= 1;
 	cur = lseek(fs->fd, 0, SEEK_CUR);
 	max = lseek(fs->fd, 0, SEEK_END);
 	if (whence == SEEK_SET)