diff --git a/ChangeLog b/ChangeLog
index 1643c6eccb..89aeb3245a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Nov 25 21:02:18 2001  Usaku Nakamura  <usa@ruby-lang.org>
+
+	* parse.y (str_extend): change types of second and third arguments
+	  from char to int.
+
 Thu Nov 22 00:28:13 2001  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* parse.y (str_extend): should check nesting parentheses in #{}.
diff --git a/parse.y b/parse.y
index 1e36ca7441..e1c2dd46d1 100644
--- a/parse.y
+++ b/parse.y
@@ -2048,7 +2048,7 @@ none		: /* none */
 static char *tokenbuf = NULL;
 static int   tokidx, toksiz = 0;
 
-static NODE *str_extend _((NODE*,char,char));
+static NODE *str_extend _((NODE*,int,int));
 
 #define LEAVE_BS 1
 
@@ -3879,7 +3879,7 @@ yylex()
 static NODE*
 str_extend(list, term, paren)
     NODE *list;
-    char term, paren;
+    int term, paren;
 {
     int c;
     int brace = -1;