diff --git a/ChangeLog b/ChangeLog
index cbe6692b6b..7bfe22a532 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Mar 21 08:29:33 2008  Tadayoshi Funaba  <tadf@dotrb.org>
+
+	* rational.c (nurat_to_f): rearrangement.
+
 Fri Mar 21 06:44:59 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* rational.c (nurat_to_f): C99.
diff --git a/rational.c b/rational.c
index ccf214c32a..4deb54d6e2 100644
--- a/rational.c
+++ b/rational.c
@@ -1107,13 +1107,16 @@ nurat_to_f(VALUE self)
   long nl, dl, ml, ne, de;
   int e;
   double f;
-  get_dat1(self);
 
-  if (f_zero_p(dat->num))
-    return rb_float_new(0.0);
+  {
+    get_dat1(self);
 
-  num = dat->num;
-  den = dat->den;
+    if (f_zero_p(dat->num))
+      return rb_float_new(0.0);
+
+    num = dat->num;
+    den = dat->den;
+  }
 
   if (f_negative_p(num)) {
     num = f_negate(num);