diff --git a/Shorewall/compiler b/Shorewall/compiler
index fd896a264..1f9285991 100755
--- a/Shorewall/compiler
+++ b/Shorewall/compiler
@@ -8769,6 +8769,7 @@ do_initialize() {
     DISABLE_IPV6=$(added_param_value_no DISABLE_IPV6 $DISABLE_IPV6)
     BRIDGING=$(added_param_value_no BRIDGING $BRIDGING)
     DYNAMIC_ZONES=$(added_param_value_no DYNAMIC_ZONES $DYNAMIC_ZONES)
+    [ -n "$DYNAMIC_ZONES" -a -n "$EXPORT" ] && fatal_error "DYNAMIC_ZONES=Yes is incompatible with the -e option"
     STARTUP_ENABLED=$(added_param_value_yes STARTUP_ENABLED $STARTUP_ENABLED)
     RETAIN_ALIASES=$(added_param_value_no RETAIN_ALIASES $RETAIN_ALIASES)
     [ -n "${ADD_IP_ALIASES}${ADD_SNAT_ALIASES}" ] || RETAIN_ALIASES=