diff --git a/mod_http_upload/src/mod_http_upload.erl b/mod_http_upload/src/mod_http_upload.erl
index 61f14d7..6d5b975 100644
--- a/mod_http_upload/src/mod_http_upload.erl
+++ b/mod_http_upload/src/mod_http_upload.erl
@@ -245,6 +245,7 @@ init({ServerHost, Opts}) ->
       <<"https://", _/binary>> ->
 	  application:start(inets),
 	  application:start(crypto),
+	  application:start(asn1),
 	  application:start(public_key),
 	  application:start(ssl)
     end,