diff --git a/ibus.changes b/ibus.changes
index cbead4e..f3f2186 100644
--- a/ibus.changes
+++ b/ibus.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Jan 25 06:27:27 UTC 2018 - qzhao@suse.com
+
+- Change xim.d-ibus-121: Unset LC_CTYPE to make LANG variable 
+  can change system locale successful(boo#1076854).
+
 -------------------------------------------------------------------
 Tue Dec 19 14:50:21 UTC 2017 - ftake@geeko.jp
 
diff --git a/ibus.spec b/ibus.spec
index 871c991..ecce658 100644
--- a/ibus.spec
+++ b/ibus.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package ibus
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
diff --git a/python3-ibus.spec b/python3-ibus.spec
index 8e1afb0..52fe8b0 100644
--- a/python3-ibus.spec
+++ b/python3-ibus.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python3-ibus
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
diff --git a/xim.d-ibus-121 b/xim.d-ibus-121
index 60213c3..e96e13c 100644
--- a/xim.d-ibus-121
+++ b/xim.d-ibus-121
@@ -42,7 +42,6 @@ else
     echo "libreoffice-gnome is not found. For better IBus support, please install libreoffice-gnome"
 fi
 
-export LC_CTYPE=$LANG
 export XMODIFIERS="@im=ibus"
 export GTK_IM_MODULE=ibus
 export QT_IM_SWITCHER=imsw-multi