X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/c380832d0b832bcfbd16e760ade393f9adab02b6..33317d37fe2e8182910cc8278ad634181521cd21:/random.c

diff --git a/random.c b/random.c
index 08bc608..107649c 100644
--- a/random.c
+++ b/random.c
@@ -264,7 +264,7 @@ unsigned long random_upto(random_state *state, unsigned long limit)
     bits += 3;
     assert(bits < 32);
 
-    max = 1 << bits;
+    max = 1L << bits;
     divisor = max / limit;
     max = limit * divisor;