diff --git a/ChangeLog b/ChangeLog
index d8fe1c23f8..100d1ba235 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Mar 28 21:24:02 2016  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
+
+	* numeric.c (int_pos_p): fix typos.
+
 Mon Mar 28 14:54:49 2016  Martin Duerst  <duerst@it.aoyama.ac.jp>
 
 	* enc/unicode.c: Refactoring in preparation for data reduction for
diff --git a/numeric.c b/numeric.c
index e368b59c3d..4bb2a3263e 100644
--- a/numeric.c
+++ b/numeric.c
@@ -183,10 +183,10 @@ static inline int
 int_pos_p(VALUE num)
 {
     if (FIXNUM_P(num)) {
-	return FIXNUM_NEGATIVE_P(num);
+	return FIXNUM_POSITIVE_P(num);
     }
     else if (RB_TYPE_P(num, T_BIGNUM)) {
-	return BIGNUM_NEGATIVE_P(num);
+	return BIGNUM_POSITIVE_P(num);
     }
     return Qnil;
 }