diff --git a/cps/comic.py b/cps/comic.py
index d613be92..4f991129 100644
--- a/cps/comic.py
+++ b/cps/comic.py
@@ -135,13 +135,7 @@ def get_comic_info(tmp_file_path, original_file_name, original_file_extension, r
             loadedMetadata = archive.readMetadata(style)
 
             lang = loadedMetadata.language
-            if lang:
-                if len(lang) == 2:
-                     loadedMetadata.language = isoLanguages.get(part1=lang).name
-                elif len(lang) == 3:
-                     loadedMetadata.language = isoLanguages.get(part3=lang).name
-            else:
-                 loadedMetadata.language = ""
+            loadedMetadata.language = isoLanguages.get_lang3(lang)
 
             return BookMeta(
                 file_path=tmp_file_path,
diff --git a/cps/editbooks.py b/cps/editbooks.py
index 63e8aa0c..f5494d36 100644
--- a/cps/editbooks.py
+++ b/cps/editbooks.py
@@ -393,7 +393,10 @@ def edit_book_comments(comments, book):
 def edit_book_languages(languages, book, upload=False):
     input_languages = languages.split(',')
     unknown_languages = []
-    input_l = isoLanguages.get_language_codes(get_locale(), input_languages, unknown_languages)
+    if not upload:
+        input_l = isoLanguages.get_language_codes(get_locale(), input_languages, unknown_languages)
+    else:
+        input_l = isoLanguages.get_valid_language_codes(get_locale(), input_languages, unknown_languages)
     for l in unknown_languages:
         log.error('%s is not a valid language', l)
         flash(_(u"%(langname)s is not a valid language", langname=l), category="warning")
diff --git a/cps/epub.py b/cps/epub.py
index bdba0607..779c1ca2 100644
--- a/cps/epub.py
+++ b/cps/epub.py
@@ -26,6 +26,7 @@ from .helper import split_authors
 from .constants import BookMeta
 
 
+
 def extractCover(zipFile, coverFile, coverpath, tmp_file_name):
     if coverFile is None:
         return None
@@ -83,16 +84,8 @@ def get_epub_info(tmp_file_path, original_file_name, original_file_extension):
         else:
             epub_metadata['description'] = ""
 
-    if epub_metadata['language'] == u'Unknown':
-        epub_metadata['language'] = ""
-    else:
-        lang = epub_metadata['language'].split('-', 1)[0].lower()
-        if len(lang) == 2:
-            epub_metadata['language'] = isoLanguages.get(part1=lang).name
-        elif len(lang) == 3:
-            epub_metadata['language'] = isoLanguages.get(part3=lang).name
-        else:
-            epub_metadata['language'] = ""
+    lang = epub_metadata['language'].split('-', 1)[0].lower()
+    epub_metadata['language'] = isoLanguages.get_lang3(lang)
 
     series = tree.xpath("/pkg:package/pkg:metadata/pkg:meta[@name='calibre:series']/@content", namespaces=ns)
     if len(series) > 0:
diff --git a/cps/gdrive.py b/cps/gdrive.py
index 82a19890..74a45061 100644
--- a/cps/gdrive.py
+++ b/cps/gdrive.py
@@ -43,7 +43,7 @@ log = logger.create()
 try:
     from googleapiclient.errors import HttpError
 except ImportError as err:
-    log.debug(("Cannot import googleapiclient, using gdrive will not work: %s", err))
+    log.debug("Cannot import googleapiclient, using GDrive will not work: %s", err)
 
 current_milli_time = lambda: int(round(time() * 1000))
 
diff --git a/cps/isoLanguages.py b/cps/isoLanguages.py
index d8b7fa00..2a8391f5 100644
--- a/cps/isoLanguages.py
+++ b/cps/isoLanguages.py
@@ -66,3 +66,25 @@ def get_language_codes(locale, language_names, remainder=None):
     if remainder is not None:
         remainder.extend(language_names)
     return languages
+
+def get_valid_language_codes(locale, language_names, remainder=None):
+    languages = list()
+    for k, v in get_language_names(locale).items():
+        if k in language_names:
+            languages.append(k)
+            language_names.remove(k)
+    if remainder is not None and len(language_names):
+        remainder.extend(language_names)
+    return languages
+
+def get_lang3(lang):
+    try:
+        if len(lang) == 2:
+            ret_value = get(part1=lang).part3
+        elif len(lang) == 3:
+            ret_value = lang
+        else:
+            ret_value = ""
+    except KeyError:
+        ret_value = lang
+    return ret_value