diff --git a/gfx/thebes/gfxFcPlatformFontList.cpp b/gfx/thebes/gfxFcPlatformFontList.cpp
--- a/gfx/thebes/gfxFcPlatformFontList.cpp
+++ b/gfx/thebes/gfxFcPlatformFontList.cpp
@@ -1549,20 +1549,18 @@ gfxFcPlatformFontList::FindGenericFamili
             NS_ConvertUTF8toUTF16 mappedGenericName(ToCharPtr(mappedGeneric));
             gfxFontFamily* genericFamily =
                 gfxPlatformFontList::FindFamily(mappedGenericName);
             if (genericFamily && !prefFonts->Contains(genericFamily)) {
                 prefFonts->AppendElement(genericFamily);
                 bool foundLang = !fcLang.IsEmpty() &&
                                  PatternHasLang(font, ToFcChar8Ptr(fcLang.get()));
                 foundFontWithLang = foundFontWithLang || foundLang;
-                // stop at the first family for which the lang matches (or
-                // when there is no lang)
-                if (fcLang.IsEmpty() ||
-                    prefFonts->Length() >= limit || foundLang) {
+                // check to see if the list is full
+                if (prefFonts->Length() >= limit) {
                     break;
                 }
             }
         }
     }
 
     // if no font in the list matches the lang, trim all but the first one
     if (!prefFonts->IsEmpty() && !foundFontWithLang) {