--- libbalsa/imap-server.c.orig	2004-09-12 23:40:40.511733893 +0200
+++ libbalsa/imap-server.c	2004-09-12 23:43:51.570710696 +0200
@@ -125,13 +125,15 @@
 static void libbalsa_imap_server_set_host(LibBalsaServer * server,
                       const gchar * host, gboolean use_ssl)
 {
-    LibBalsaImapServer *imap_server = LIBBALSA_IMAP_SERVER(server);
-    G_LOCK(imap_servers);
-    g_hash_table_steal(imap_servers, imap_server->key);
-    g_free(imap_server->key);
-    imap_server->key = g_strdup_printf("%s@%s", server->user, host);
-    g_hash_table_insert(imap_servers, imap_server->key, imap_server);
-    G_UNLOCK(imap_servers);
+    if(server->user && host) { /* we have been initialized... */
+        LibBalsaImapServer *imap_server = LIBBALSA_IMAP_SERVER(server);
+        G_LOCK(imap_servers);
+        g_hash_table_steal(imap_servers, imap_server->key);
+        g_free(imap_server->key);
+        imap_server->key = g_strdup_printf("%s@%s", server->user, host);
+        g_hash_table_insert(imap_servers, imap_server->key, imap_server);
+        G_UNLOCK(imap_servers);
+    }
     (parent_class)->set_host(server, host, use_ssl);
 }
 static void