diff --git a/ChangeLog b/ChangeLog
index 5e2b6d259f..c3d7df3912 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Jan 28 19:16:58 2002  Nobuyoshi Nakada  <nobu.nakada@nifty.ne.jp>
+
+	* array.c (rb_ary_fill): shouldn't yield unless block given.
+
 Mon Jan 28 18:33:18 2002  Nobuyoshi Nakada  <nobu.nakada@nifty.ne.jp>
 
 	* parse.y (yylex): strict check for numbers.
diff --git a/array.c b/array.c
index f2ff4702ed..f772325d06 100644
--- a/array.c
+++ b/array.c
@@ -1390,7 +1390,7 @@ rb_ary_fill(argc, argv, ary)
     VALUE item, arg1, arg2;
     long beg, end, len;
     VALUE *p, *pend;
-    int block_p;
+    int block_p = Qfalse;
 
     if (rb_block_given_p()) {
 	block_p = Qtrue;