diff --git a/cps/constants.py b/cps/constants.py
index 7d6d0416..069630b6 100644
--- a/cps/constants.py
+++ b/cps/constants.py
@@ -147,7 +147,7 @@ EXTENSIONS_CONVERT_FROM = ['pdf', 'epub', 'mobi', 'azw3', 'docx', 'rtf', 'fb2',
                            'txt', 'htmlz', 'rtf', 'odt', 'cbz', 'cbr']
 EXTENSIONS_CONVERT_TO = ['pdf', 'epub', 'mobi', 'azw3', 'docx', 'rtf', 'fb2',
                          'lit', 'lrf', 'txt', 'htmlz', 'rtf', 'odt']
-EXTENSIONS_UPLOAD = {'txt', 'pdf', 'epub', 'kepub', 'mobi', 'azw', 'azw3', 'cbr', 'cbz', 'cbt', 'djvu',
+EXTENSIONS_UPLOAD = {'txt', 'pdf', 'epub', 'kepub', 'mobi', 'azw', 'azw3', 'cbr', 'cbz', 'cbt', 'djvu', 'djv',
                      'prc', 'doc', 'docx', 'fb2', 'html', 'rtf', 'lit', 'odt', 'mp3', 'mp4', 'ogg',
                      'opus', 'wav', 'flac', 'm4a', 'm4b'}
 
diff --git a/cps/helper.py b/cps/helper.py
index 9871af0c..be0323a2 100644
--- a/cps/helper.py
+++ b/cps/helper.py
@@ -191,7 +191,7 @@ def check_send_to_ereader(entry):
 # Check if a reader is existing for any of the book formats, if not, return empty list, otherwise return
 # list with supported formats
 def check_read_formats(entry):
-    extensions_reader = {'TXT', 'PDF', 'EPUB', 'CBZ', 'CBT', 'CBR', 'DJVU'}
+    extensions_reader = {'TXT', 'PDF', 'EPUB', 'CBZ', 'CBT', 'CBR', 'DJVU', 'DJV'}
     book_formats = list()
     if len(entry.data):
         for ele in iter(entry.data):
diff --git a/cps/templates/readdjvu.html b/cps/templates/readdjvu.html
index 2fcfe052..bdc3ef95 100644
--- a/cps/templates/readdjvu.html
+++ b/cps/templates/readdjvu.html
@@ -18,6 +18,6 @@
     <script src="{{ url_for('static', filename='js/reading/djvu_reader.js') }}"></script>
   </head>
   <body>
-	<div id="djvuContainer" file="{{ url_for('web.serve_book', book_id=djvufile, book_format='djvu') }}"></div>
+	<div id="djvuContainer" file="{{ url_for('web.serve_book', book_id=djvufile, book_format=extension) }}"></div>
   </body>
 </html>
diff --git a/cps/web.py b/cps/web.py
index 4660406e..ad825f02 100755
--- a/cps/web.py
+++ b/cps/web.py
@@ -1540,9 +1540,9 @@ def read_book(book_id, book_format):
     elif book_format.lower() == "txt":
         log.debug("Start txt reader for %d", book_id)
         return render_title_template('readtxt.html', txtfile=book_id, title=book.title)
-    elif book_format.lower() == "djvu":
+    elif book_format.lower() in ["djvu", "djv"]:
         log.debug("Start djvu reader for %d", book_id)
-        return render_title_template('readdjvu.html', djvufile=book_id, title=book.title)
+        return render_title_template('readdjvu.html', djvufile=book_id, title=book.title, extension=book_format.lower())
     else:
         for fileExt in constants.EXTENSIONS_AUDIO:
             if book_format.lower() == fileExt:
