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-rw-r--r--stdlib/random_r.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/stdlib/random_r.c b/stdlib/random_r.c
index d19fd1755b..677aa21ba5 100644
--- a/stdlib/random_r.c
+++ b/stdlib/random_r.c
@@ -127,7 +127,8 @@ __srandom_r (x, buf)
   if (buf == NULL || buf->rand_type < TYPE_0 || buf->rand_type > TYPE_4)
     return -1;
 
-  buf->state[0] = x;
+  /* We must make sure the seed is not 0.  Take arbitrarily 1 in this case.  */
+  buf->state[0] = x ? x : 1;
   if (buf->rand_type != TYPE_0)
     {
       long int i;