diff --git a/tests/plugin/check-pac.in b/tests/plugin/check-pac.in
index aaa2fb01f..a501a1668 100644
--- a/tests/plugin/check-pac.in
+++ b/tests/plugin/check-pac.in
@@ -85,6 +85,9 @@ ${kadmin} check ${R2} || exit 1
 
 echo foo > ${objdir}/foopassword
 
+echo "Empty log"
+> messages.log
+
 echo Starting kdc
 ${kdc} &
 kdcpid=$!
@@ -99,6 +102,10 @@ trap "kill ${kdcpid}; echo signal killing kdc; exit 1;" EXIT
 
 ec=0
 
+echo "Check that WINDC module was loaded "
+grep "windc init" messages.log >/dev/null || \
+	{ ec=1 ; eval "${testfailed}"; }
+
 echo "Getting client initial tickets"; > messages.log
 ${kinit} --password-file=${objdir}/foopassword foo@${R} || \
 	{ ec=1 ; eval "${testfailed}"; }