diff --git a/ChangeLog b/ChangeLog
index 2ecf03c9d1..4bc8e9dc35 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Wed Jun 13 17:54:38 2012  URABE Shyouhei  <shyouhei@ruby-lang.org>
+
+	* regparse.c (PFETCH_READY):  this  line was to  suppress warning,
+	  but  did emit  warnings if  -Wuninitialized was  set.  Assigning
+	  NULL instead if pfetch_prev should suffice the situation.
+
 Wed Jun 13 17:51:05 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in: cygwin needs C99 for some stuff, e.g.,
diff --git a/regparse.c b/regparse.c
index a207de39b0..149d857f8e 100644
--- a/regparse.c
+++ b/regparse.c
@@ -265,7 +265,7 @@ strdup_with_null(OnigEncoding enc, UChar* s, UChar* end)
 
 #ifdef __GNUC__
 /* get rid of Wunused-but-set-variable */
-#define PFETCH_READY  UChar* pfetch_prev = pfetch_prev
+#define PFETCH_READY  UChar* pfetch_prev = NULL
 #else
 #define PFETCH_READY  UChar* pfetch_prev
 #endif