diff --git a/tests/t/40messaging.t b/tests/t/40messaging.t
index add1600..209d082 100644
--- a/tests/t/40messaging.t
+++ b/tests/t/40messaging.t
@@ -18,7 +18,7 @@
 #
 
 use Test;
-BEGIN { plan tests => 8 + 9 + 1 + 2 + 3 + 1 + 6 + 4 };
+BEGIN { plan tests => 8 + 9 + 1 + 2 + 3 + 2 + 6 + 4 };
 use runproduct;
 use istest;
 use Ham::APRS::IS;
@@ -144,6 +144,12 @@ $tx = sprintf("$msg_src>APRS,OH2RDG*,WIDE,%s,I::%-9.9s:message", $login_tx, $log
 $rx = sprintf("$msg_src>APRS,OH2RDG*,WIDE,qAR,%s::%-9.9s:message", $login_tx, $login_rx);
 istest::txrx(\&ok, $i_tx, $i_rx, $tx, $rx);
 
+# with a different SSID
+$tx = sprintf("$msg_src>APRS,OH2RDG*,WIDE,%s,I::%-9.9s:message with ssid", $login_tx, $login_rx . "-9");
+$rx = sprintf("$msg_src>APRS,OH2RDG*,WIDE,qAR,%s::%-9.9s:message with ssid", $login_tx, $login_rx. "-9");
+$helper = "H1LP>APRS,OH2RDG*,WIDE:!6028.51N/02505.68E# should pass diff ssid";
+istest::should_drop(\&ok, $i_tx, $i_rx, $tx, $helper);
+
 #
 # Message to an OBJECT
 #