diff --git a/src/calibre/devices/prs505/books.py b/src/calibre/devices/prs505/books.py
index e7e45d78f4..a917aa00ae 100644
--- a/src/calibre/devices/prs505/books.py
+++ b/src/calibre/devices/prs505/books.py
@@ -20,7 +20,8 @@ MIME_MAP   = {
                 'lrx' : 'application/x-sony-bbeb',  
                 "rtf" : "application/rtf", 
                 "pdf" : "application/pdf", 
-                "txt" : "text/plain" 
+                "txt" : "text/plain" ,
+                'epub': 'application/epub+zip',
               }
 
 def uuid():
diff --git a/src/calibre/devices/prs505/driver.py b/src/calibre/devices/prs505/driver.py
index bbfbdf037c..4462407e18 100644
--- a/src/calibre/devices/prs505/driver.py
+++ b/src/calibre/devices/prs505/driver.py
@@ -31,6 +31,7 @@ class PRS505(Device):
     PRODUCT_ID   = 0x031e #: Product Id for the PRS-505
     PRODUCT_NAME = 'PRS-505'
     VENDOR_NAME  = 'SONY'
+    FORMATS      = ["lrf", 'epub', "rtf", "pdf", "txt"]
     
     MEDIA_XML    = 'database/cache/media.xml'
     CACHE_XML    = 'Sony Reader/database/cache.xml'
@@ -437,4 +438,4 @@ def main(args=sys.argv):
     return 0
 
 if __name__ == '__main__':
-    sys.exit(main())
\ No newline at end of file
+    sys.exit(main())