diff --git a/tests/aux/ldap.pl b/tests/aux/ldap.pl
index 6d854e6..1fad4a4 100755
--- a/tests/aux/ldap.pl
+++ b/tests/aux/ldap.pl
@@ -43,7 +43,8 @@ use constant RESULT_OK => {
 };
 
 my %objects = (
-  'uid=foo,ou=users,dc=example,dc=com' => 'vvincredible',
+  'uid=foo,ou=users,dc=example,dc=com' => ['vvincredible'],
+  'uid=test,ou=users,dc=example,dc=com' =>['cccccccfhcbe', 'ccccccbchvth'],
 );
 
 sub bind {
@@ -62,7 +63,7 @@ sub search {
     my $entry = Net::LDAP::Entry->new;
     $entry->dn($base);
     $entry->add(objectClass => [ "person" ]);
-    $entry->add(yubiKeyId => [ $id ]);
+    $entry->add(yubiKeyId => $id);
     push @entries, $entry;
   }
   return RESULT_OK, @entries;
diff --git a/tests/aux/ykval.pl b/tests/aux/ykval.pl
index 8047724..bc64da1 100755
--- a/tests/aux/ykval.pl
+++ b/tests/aux/ykval.pl
@@ -35,6 +35,7 @@ use warnings;
 my %otps = (
   'vvincredibletrerdegkkrkkneieultcjdghrejjbckh' => 'OK',
   'vvincrediblltrerdegkkrkkneieultcjdghrejjbckh' => 'OK',
+  'ccccccbchvthlivuitriujjifivbvtrjkjfirllluurj' => 'OK',
 );
 
 my $port = shift;
diff --git a/tests/pam_test.c b/tests/pam_test.c
index eac1ab7..e6590b1 100644
--- a/tests/pam_test.c
+++ b/tests/pam_test.c
@@ -51,6 +51,7 @@ static struct data {
   {"bar", "vvincredibletrerdegkkrkkneieultcjdghrejjbckh"},
   {"foo", "vvincrediblltrerdegkkrkkneieultcjdghrejjbckh"},
   {"foo", "vvincredibletrerdegkkrkkneieultcjdghrejjbckl"},
+  {"test", "ccccccbchvthlivuitriujjifivbvtrjkjfirllluurj"},
 };
 
 
@@ -192,6 +193,10 @@ static int test_authenticate_ldap_fail2(void) {
   return pam_sm_authenticate(2, 0, sizeof(ldap_cfg) / sizeof(char*), ldap_cfg);
 }
 
+static int test_authenticate_ldap2(void) {
+  return pam_sm_authenticate(4, 0, sizeof(ldap_cfg) / sizeof(char*), ldap_cfg);
+}
+
 static pid_t run_mock(const char *port, const char *type) {
   pid_t pid = fork();
   if(pid == 0) {
@@ -245,6 +250,10 @@ int main(void) {
     ret = 8;
     goto out;
   }
+  if(test_authenticate_ldap2() != PAM_SUCCESS) {
+    ret = 9;
+    goto out;
+  }
 #endif
 
 out: