diff --git a/vlgothic-fontconfig-gothic.conf b/vlgothic-fontconfig-gothic.conf
index 9021aaa..24f3817 100644
--- a/vlgothic-fontconfig-gothic.conf
+++ b/vlgothic-fontconfig-gothic.conf
@@ -17,8 +17,8 @@
     </alias>
     <!-- Locale-specific overrides rule -->
     <match>
-        <test name="lang">
-            <string>ja-jp</string>
+        <test name="lang" compare="contains">
+            <string>ja</string>
         </test>
         <test name="family">
             <string>monospace</string>
@@ -29,8 +29,8 @@
     </match>
     <!-- NOTE: just for fallback - ideally better installing vlgothic-p-fonts -->
     <match>
-        <test name="lang">
-            <string>ja-jp</string>
+        <test name="lang" compare="contains">
+            <string>ja</string>
         </test>
         <test name="family">
             <string>sans-serif</string>
diff --git a/vlgothic-fontconfig-pgothic.conf b/vlgothic-fontconfig-pgothic.conf
index 01a3a01..bd93ab6 100644
--- a/vlgothic-fontconfig-pgothic.conf
+++ b/vlgothic-fontconfig-pgothic.conf
@@ -10,8 +10,8 @@
     </alias>
     <!-- Locale-specific overrides rule -->
     <match>
-        <test name="lang">
-            <string>ja-jp</string>
+        <test name="lang" compare="contains">
+            <string>ja</string>
         </test>
         <test name="family">
             <string>sans-serif</string>
diff --git a/vlgothic-fonts.spec b/vlgothic-fonts.spec
index 8e26983..76276a6 100644
--- a/vlgothic-fonts.spec
+++ b/vlgothic-fonts.spec
@@ -11,7 +11,7 @@ but some have also been improved by the project.
 
 Name:		%{fontname}-fonts
 Version:	20100126
-Release:	1%{?dist}
+Release:	2%{?dist}
 Summary:	Japanese TrueType font
 
 License:	mplus and BSD
@@ -95,6 +95,9 @@ rm -rf ${RPM_BUILD_ROOT}
 
 
 %changelog
+* Fri Mar 12 2010 Akira TAGOH <tagoh@redhat.com> - 20100126-2
+- Fix the locale-specific overrides rule to match with "ja" as well. (#572841)
+
 * Mon Mar  1 2010 Akira TAGOH <tagoh@redhat.com> - 20100126-1
 - New upstream release.
 - Set the priority to 65-0 for vlgothic-p-fonts to avoid the effects