diff --git a/src/common-setup.h b/src/common-setup.h
index 31205580..167bc9e6 100644
--- a/src/common-setup.h
+++ b/src/common-setup.h
@@ -86,6 +86,7 @@ extern gchar *dcc_upload_path;
 
 extern gboolean toggle_dcc_mirc_ctcp;
 extern gint dcc_block_size;
+extern gint dcc_port;
 extern gint dcc_timeout;
 
 /* servers */