diff --git a/libnfc/chips/pn53x.c b/libnfc/chips/pn53x.c
index 9580cb9..25861c2 100644
--- a/libnfc/chips/pn53x.c
+++ b/libnfc/chips/pn53x.c
@@ -286,6 +286,7 @@ bool pn53x_unwrap_frame(const byte_t* pbtFrame, const size_t szFrameBits, byte_t
 bool 
 pn53x_decode_target_data(const byte_t* pbtRawData, size_t szDataLen, nfc_chip_t nc, nfc_target_type_t ntt, nfc_target_info_t* pnti)
 {
+  uint8_t ui8AttribResLen;
   switch(ntt) {
     case NTT_MIFARE:
     case NTT_GENERIC_PASSIVE_106:
@@ -335,7 +336,7 @@ pn53x_decode_target_data(const byte_t* pbtRawData, size_t szDataLen, nfc_chip_t
       pbtRawData += 12;
       
       // Store temporarily the ATTRIB_RES length
-      uint8_t ui8AttribResLen = *(pbtRawData++);
+      ui8AttribResLen = *(pbtRawData++);
 
       // Store the 4 bytes ID
       memcpy(pnti->nbi.abtId, pbtRawData,4);
diff --git a/libnfc/nfc.c b/libnfc/nfc.c
index ec5c4c2..ee187a8 100644
--- a/libnfc/nfc.c
+++ b/libnfc/nfc.c
@@ -534,14 +534,14 @@ nfc_initiator_list_passive_targets(nfc_device_t* pnd, const nfc_modulation_t nmI
 {
   nfc_target_info_t nti;
   size_t szTargetFound = 0;
+  byte_t* pbtInitData = NULL;
+  size_t szInitDataLen = 0;
 
   pnd->iLastError = 0;
 
 
   // Let the reader only try once to find a target
   nfc_configure (pnd, NDO_INFINITE_SELECT, false);
-  byte_t* pbtInitData = NULL;
-  size_t szInitDataLen = 0;
   
   if(nmInitModulation == NM_ISO14443B_106) {
     // Application Family Identifier (AFI) must equals 0x00 in order to wakeup all ISO14443-B PICCs (see ISO/IEC 14443-3)