diff --git a/Shorewall/Perl/prog.footer b/Shorewall/Perl/prog.footer
index 5936bda96..6b18bcd65 100644
--- a/Shorewall/Perl/prog.footer
+++ b/Shorewall/Perl/prog.footer
@@ -127,6 +127,7 @@ g_counters=
 g_compiled=
 g_file=
 g_docker=
+g_dockeringress=
 g_dockernetwork=
 g_forcereload=