diff --git a/gfx/thebes/src/gfxAtsuiFonts.cpp b/gfx/thebes/src/gfxAtsuiFonts.cpp
index de364c86690..ffb8c2a9938 100644
--- a/gfx/thebes/src/gfxAtsuiFonts.cpp
+++ b/gfx/thebes/src/gfxAtsuiFonts.cpp
@@ -702,16 +702,17 @@ gfxAtsuiFontGroup::WhichPrefFontSupportsChar(PRUint32 aCh)
     
     for (i = 0; i < numLangs; i++) {
         nsAutoTArray<nsRefPtr<MacOSFamilyEntry>, 5> families;
+        eFontPrefLang currentLang = prefLangs[i];
         
         gfxQuartzFontCache *fc = gfxQuartzFontCache::SharedFontCache();
 
         // get the pref families for a single pref lang
-        if (!fc->GetPrefFontFamilyEntries(charLang, &families)) {
-            eFontPrefLang prefLangs[1] = { charLang };
+        if (!fc->GetPrefFontFamilyEntries(currentLang, &families)) {
+            eFontPrefLang prefLangsToSearch[1] = { currentLang };
             PrefFontCallbackData prefFontData(families);
-            gfxPlatform::ForEachPrefFont(prefLangs, 1, PrefFontCallbackData::AddFontFamilyEntry,
+            gfxPlatform::ForEachPrefFont(prefLangsToSearch, 1, PrefFontCallbackData::AddFontFamilyEntry,
                                            &prefFontData);
-            fc->SetPrefFontFamilyEntries(charLang, families);
+            fc->SetPrefFontFamilyEntries(currentLang, families);
         }
     
         // find the first pref font that includes the character
diff --git a/gfx/thebes/src/gfxPlatform.cpp b/gfx/thebes/src/gfxPlatform.cpp
index d5f2b2767a1..cd8a218fd37 100644
--- a/gfx/thebes/src/gfxPlatform.cpp
+++ b/gfx/thebes/src/gfxPlatform.cpp
@@ -391,7 +391,7 @@ gfxPlatform::GetPrefLangName(eFontPrefLang aLang)
 
 const PRUint32 kFontPrefLangCJKMask = (1 << (PRUint32) eFontPrefLang_Japanese) | (1 << (PRUint32) eFontPrefLang_ChineseTW)
                                       | (1 << (PRUint32) eFontPrefLang_ChineseCN) | (1 << (PRUint32) eFontPrefLang_ChineseHK)
-                                      | (1 << (PRUint32) eFontPrefLang_Korean);
+                                      | (1 << (PRUint32) eFontPrefLang_Korean) | (1 << (PRUint32) eFontPrefLang_CJKSet);
 PRBool 
 gfxPlatform::IsLangCJK(eFontPrefLang aLang)
 {