diff --git a/tests/sys/netpfil/pf/utils.subr b/tests/sys/netpfil/pf/utils.subr
--- a/tests/sys/netpfil/pf/utils.subr
+++ b/tests/sys/netpfil/pf/utils.subr
@@ -59,7 +59,10 @@
 
 pft_init()
 {
-	trap pft_onerror EXIT
+	if [ "$1" == "debug" ]
+	then
+		trap pft_onerror EXIT
+	fi
 
 	vnet_init