diff --git a/src/test/kerberos/t/001_auth.pl b/src/test/kerberos/t/001_auth.pl
index 64117c24193..f2253e5b688 100644
--- a/src/test/kerberos/t/001_auth.pl
+++ b/src/test/kerberos/t/001_auth.pl
@@ -184,7 +184,12 @@ system_or_bail $krb5kdc, '-P', $kdc_pidfile;
 
 END
 {
-	kill 'INT', `cat $kdc_pidfile` if -f $kdc_pidfile;
+	# take care not to change the script's exit value
+	my $exit_code = $?;
+
+	kill 'INT', `cat $kdc_pidfile` if defined($kdc_pidfile) && -f $kdc_pidfile;
+
+	$? = $exit_code;
 }
 
 note "setting up PostgreSQL instance";
diff --git a/src/test/ldap/t/001_auth.pl b/src/test/ldap/t/001_auth.pl
index f651f44408b..3dd56e9f439 100644
--- a/src/test/ldap/t/001_auth.pl
+++ b/src/test/ldap/t/001_auth.pl
@@ -163,7 +163,12 @@ system_or_bail $slapd, '-f', $slapd_conf,'-s0', '-h', "$ldap_url $ldaps_url";
 
 END
 {
+	# take care not to change the script's exit value
+	my $exit_code = $?;
+
 	kill 'INT', `cat $slapd_pidfile` if -f $slapd_pidfile;
+
+	$? = $exit_code;
 }
 
 append_to_file($ldap_pwfile, $ldap_rootpw);