Index: modules/http2/h2_c2.c
===================================================================
--- modules/http2/h2_c2.c	(revision 1909607)
+++ modules/http2/h2_c2.c	(working copy)
@@ -854,7 +854,7 @@ void h2_c2_register_hooks(void)
                               NULL, AP_FTYPE_NETWORK);
 
     ap_register_input_filter("H2_C2_REQUEST_IN", h2_c2_filter_request_in,
-                             NULL, AP_FTYPE_PROTOCOL);
+                             NULL, AP_FTYPE_PROTOCOL - 1);
     ap_register_output_filter("H2_C2_RESPONSE_OUT", h2_c2_filter_response_out,
                               NULL, AP_FTYPE_PROTOCOL);
     ap_register_output_filter("H2_C2_TRAILERS_OUT", h2_c2_filter_trailers_out,