diff --git a/langpacks.spec b/langpacks.spec
index d99543a..0a35b18 100644
--- a/langpacks.spec
+++ b/langpacks.spec
@@ -1,6 +1,6 @@
 Name:      langpacks
 Version:   3.0
-Release:   2%{?dist}
+Release:   3%{?dist}
 Summary:   Langpacks meta-package
 
 License:   GPLv2+
@@ -53,6 +53,10 @@ This package provides %{langname} core langpacks packages.\
 Summary: %{langname} core font meta-package\
 %{-f:Requires: %{-f*}}%{!-f:Requires: dejavu-sans-fonts} \
 %{-l:Provides: font(:lang=%{lowerortho})}  \
+%if "%{lowerortho}" != "%{fontpkgcode}"\
+Provides: langpacks-core-font-%{lowerortho} = %{version}-%{release} \
+Obsoletes: langpacks-core-font-%{lowerortho} < %{version}-%{release} \
+%endif \
 \
 %description core-font-%{fontpkgcode}\
 This package defines the default font for %{langname} language.\
@@ -1276,6 +1280,9 @@ DESTDIR=%{buildroot} appstream-util split-appstream %{SOURCE1}
 DESTDIR=%{buildroot} appstream-util split-appstream %{SOURCE2}
 
 %changelog
+* Wed Mar 11 2020 Akira TAGOH <tagoh@redhat.com> - 3.0-3
+- Stop shipping core-font sub-packages in lowercase and keep same naming as others.
+
 * Tue Feb  4 2020 Akira TAGOH <tagoh@redhat.com> - 3.0-2
 - Revert font(familyname) dependency to fix some regressions.
 
diff --git a/normlang.py b/normlang.py
index 7078a26..38de6ce 100644
--- a/normlang.py
+++ b/normlang.py
@@ -4,4 +4,4 @@ import sys
 fontconfig = ctypes.CDLL("libfontconfig.so.1")
 fontconfig.FcLangNormalize.argtypes = [ctypes.c_char_p]
 fontconfig.FcLangNormalize.restype = ctypes.c_char_p
-print(fontconfig.FcLangNormalize(sys.argv[1].encode('utf-8')).decode('utf-8').lower())
+print(fontconfig.FcLangNormalize(sys.argv[1].encode('utf-8')).decode('utf-8'))
diff --git a/org.fedoraproject.LangPacks-Core-Font.xml b/org.fedoraproject.LangPacks-Core-Font.xml
index 7894345..e7bd4e9 100644
--- a/org.fedoraproject.LangPacks-Core-Font.xml
+++ b/org.fedoraproject.LangPacks-Core-Font.xml
@@ -916,7 +916,7 @@
   </component>
   <component type="font">
     <metadata_license>CC0-1.0</metadata_license>
-    <id>org.fedoraproject.LangPack-Core-Font-zh_cn</id>
+    <id>org.fedoraproject.LangPack-Core-Font-zh_CN</id>
     <name>Simplified Chinese</name>
     <summary>Localization Font support for Simplified Chinese</summary>
     <description>
@@ -927,7 +927,7 @@
   </component>
   <component type="font">
     <metadata_license>CC0-1.0</metadata_license>
-    <id>org.fedoraproject.LangPack-Core-Font-zh_tw</id>
+    <id>org.fedoraproject.LangPack-Core-Font-zh_TW</id>
     <name>Traditional Chinese</name>
     <summary>Localization Font support for Traditional Chinese</summary>
     <description>