diff --git a/configure.ac b/configure.ac
index 8a68c44..668ca6d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13,7 +13,7 @@ AM_INIT_AUTOMAKE
 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 
 # Checks for pkg-config modules.
-LIBNFC_REQUIRED_VERSION=1.4.2
+LIBNFC_REQUIRED_VERSION=1.5.1
 PKG_CHECK_MODULES([LIBNFC], [libnfc >= $LIBNFC_REQUIRED_VERSION], [], [AC_MSG_ERROR([libnfc >= $LIBNFC_REQUIRED_VERSION is mandatory.])])
 
 PKG_CONFIG_REQUIRES="libnfc"
diff --git a/src/mfoc.c b/src/mfoc.c
index 1e16283..1bfe8f0 100644
--- a/src/mfoc.c
+++ b/src/mfoc.c
@@ -681,7 +681,7 @@ int mf_enhanced_auth(int e_sector, int a_sector, mftag t, mfreader r, denonce *d
 		exit (EXIT_FAILURE);
 	}
 
-	if (!nfc_initiator_transceive_bytes(r.pdi, Auth, 4, Rx, &RxLen)) {
+	if (!nfc_initiator_transceive_bytes(r.pdi, Auth, 4, Rx, &RxLen, NULL)) {
 		fprintf(stdout, "Error while requesting plain tag-nonce\n");
 		exit(EXIT_FAILURE);
 	}
diff --git a/src/mifare.c b/src/mifare.c
index 360d5cf..b7caaf8 100644
--- a/src/mifare.c
+++ b/src/mifare.c
@@ -100,7 +100,7 @@ nfc_initiator_mifare_cmd (nfc_device_t * pnd, const mifare_cmd mc, const uint8_t
     return false;
   }
   // Fire the mifare command
-  if (!nfc_initiator_transceive_bytes (pnd, abtCmd, 2 + szParamLen, abtRx, &szRx)) {
+  if (!nfc_initiator_transceive_bytes (pnd, abtCmd, 2 + szParamLen, abtRx, &szRx, NULL)) {
     if (pnd->iLastError == EINVRXFRAM) {
       // "Invalid received frame" AKA EINVRXFRAM,  usual means we are
       // authenticated on a sector but the requested MIFARE cmd (read, write)