1 files changed, 1 insertions, 1 deletions

diff --git a/coreutils/shuf.c b/coreutils/shuf.c
index 9f61f2f7d..217f15c97 100644
--- a/coreutils/shuf.c
+++ b/coreutils/shuf.c
@@ -53,7 +53,7 @@ static void shuffle_lines(char **lines, unsigned numlines)
                 /* RAND_MAX can be as small as 32767 */
                 if (i > RAND_MAX)
                         r ^= rand() << 15;
-                r %= i;
+                r %= i + 1;
                 tmp = lines[i];
                 lines[i] = lines[r];
                 lines[r] = tmp;