diff --git a/terminal/ldap.c b/terminal/ldap.c
index 21d7234..b1ed620 100644
--- a/terminal/ldap.c
+++ b/terminal/ldap.c
@@ -10,6 +10,8 @@
 #include <openssl/sha.h>
 #include "config.h"
 
+const int NO_SUCH_CARD = LDAP_NO_SUCH_OBJECT;
+
 static char* ldap_attrs_hashes[] = {
   "uid",
   "mifareIDHash",
diff --git a/terminal/ldap.h b/terminal/ldap.h
index 24808ad..1a62b38 100644
--- a/terminal/ldap.h
+++ b/terminal/ldap.h
@@ -2,5 +2,6 @@
 #define __LDAP_H__
 
 int ldap_dn_by_mifare(char *MifareID, char *DNOut, int *DNLength);
+const int NO_SUCH_CARD;
 
 #endif
diff --git a/terminal/nfc.c b/terminal/nfc.c
index 06af325..27f6574 100644
--- a/terminal/nfc.c
+++ b/terminal/nfc.c
@@ -45,7 +45,7 @@ void nfc_poll(void)
 
         if (LDAPResult > 0)
         {
-            if (LDAPResult == 1)
+            if (LDAPResult == NO_SUCH_CARD)
             {
                 tts_speak("Nieznana karta.");
                 sleep(5);