1 files changed, 1 insertions, 1 deletions
diff --git a/bignum.c b/bignum.c
index 1bcd62c7e9..489514451a 100644
--- a/bignum.c
+++ b/bignum.c
@@ -24,7 +24,7 @@ VALUE rb_cBignum;
 typedef unsigned int BDIGIT;
 typedef unsigned LONG_LONG BDIGIT_DBL;
 typedef LONG_LONG BDIGIT_DBL_SIGNED;
-#elif SIZEOF_ING*2 <= SIZEOF_LONG
+#elif SIZEOF_INT*2 <= SIZEOF_LONG
 typedef unsigned int BDIGIT;
 typedef unsigned long BDIGIT_DBL;
 typedef long long BDIGIT_DBL_SIGNED;