diff -r 820a44d3d618 -r 7acdb1d9797c pidgin/gtkconv.c
--- a/pidgin/gtkconv.c	Mon Nov 05 17:12:49 2018 -0600
+++ b/pidgin/gtkconv.c	Mon Nov 05 17:00:16 2018 -0600
@@ -1694,7 +1694,9 @@
 				real_who = purple_protocol_chat_iface_get_user_real_name(protocol, gc,
 					purple_chat_conversation_get_id(chat), who);
 
-				if (!purple_protocol_xfer_can_receive(protocol, gc, real_who ? real_who : who)) {
+				if (!purple_protocol_xfer_can_receive(
+						PURPLE_PROTOCOL_XFER(protocol),
+						gc, real_who ? real_who : who)) {
 					can_receive_file = FALSE;
 				}