1 files changed, 1 insertions, 1 deletions
diff --git a/rational.c b/rational.c
index 82122a288a..96e5266080 100644
--- a/rational.c
+++ b/rational.c
@@ -1495,7 +1495,7 @@ nurat_rationalize(int argc, VALUE *argv, VALUE self)
 static VALUE
 nurat_hash(VALUE self)
 {
-    long v, h[2];
+    st_index_t v, h[2];
     VALUE n;
 
     get_dat1(self);