diff --git a/ChangeLog b/ChangeLog
index 581ae0eaa6..479d35e12f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-03-12  Jiyoun Park (Jypark)
+
+        * Ecore_x: fix bug not check data value when get deiconify message
+
 2013-03-11  Mike Blumenkrantz
 
         * clean up gnutls session initialization
diff --git a/NEWS b/NEWS
index 164e854216..272e876781 100644
--- a/NEWS
+++ b/NEWS
@@ -195,3 +195,4 @@ Fixes:
     * fix dangling pointer problem related with shmget fail
     * fix bug scroll works when PgDn, PgUp, Home, End key in entry is pressed in preedit state
     * clean up gnutls session initialization
+    * fix bug not check data value when get deiconify message
diff --git a/src/modules/ecore_evas/engines/x/ecore_evas_x.c b/src/modules/ecore_evas/engines/x/ecore_evas_x.c
index 0ec9c5ebcc..61e38b9ad7 100644
--- a/src/modules/ecore_evas/engines/x/ecore_evas_x.c
+++ b/src/modules/ecore_evas/engines/x/ecore_evas_x.c
@@ -1007,10 +1007,12 @@ _ecore_evas_x_event_client_message(void *data EINA_UNUSED, int type EINA_UNUSED,
      {
         ee = ecore_event_window_match(e->win);
         if (!ee) return ECORE_CALLBACK_PASS_ON; /* pass on event */
+        if (e->data.l[1] != 0) //wm sends request message using value 0
+          return ECORE_CALLBACK_PASS_ON;
 
         if (ecore_evas_manual_render_get(ee))
           ecore_evas_manual_render(ee);
-
+        //client sends reply message using value 1
         ecore_x_client_message32_send(e->win, ECORE_X_ATOM_E_DEICONIFY_APPROVE,
                                       ECORE_X_EVENT_MASK_WINDOW_CONFIGURE,
                                       e->win, 1,