diff --git a/ChangeLog b/ChangeLog
index abdaefb9c4..8629a1d8af 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Mar 23 02:51:57 2008  Tanaka Akira  <akr@fsij.org>
+
+	* process.c (rlimit_resource_value): use NUM2RLIM.
+
 Sun Mar 23 02:28:01 2008  Tadayoshi Funaba  <tadf@dotrb.org>
 
 	* complex.c: fixed. [ruby-dev:34109]
diff --git a/process.c b/process.c
index 603b396963..d3d75fe63d 100644
--- a/process.c
+++ b/process.c
@@ -2213,7 +2213,7 @@ rlimit_resource_value(VALUE rval)
 
       case T_FIXNUM:
       case T_BIGNUM:
-        return NUM2INT(rval);
+        return NUM2RLIM(rval);
     }
 
 #ifdef RLIM_INFINITY