diff -r 0ce616f8d0ec -r ac2ec9dc4dc5 pidgin/gtkaccount.c
--- a/pidgin/gtkaccount.c	Mon Nov 04 09:58:05 2019 +0300
+++ b/pidgin/gtkaccount.c	Mon Nov 04 10:00:14 2019 +0300
@@ -807,6 +807,7 @@
 	}
 
 	g_list_free_full(dialog->protocol_opt_entries, (GDestroyNotify)protocol_opt_entry_free);
+	dialog->protocol_opt_entries = NULL;
 
 	if (dialog->protocol == NULL ||
 			purple_protocol_get_account_options(dialog->protocol) == NULL)