diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index c0bdb7426..972544666 100644
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -63,7 +63,7 @@ uint32_t GetParity(const uint8_t * pbtCmd, int iLen)
 {
   int i;
   uint32_t dwPar = 0;
-
+  
   // Generate the encrypted data
   for (i = 0; i < iLen; i++) {
     // Save the encrypted parity bit
@@ -77,7 +77,7 @@ static void AppendCrc14443a(uint8_t* data, int len)
   ComputeCrc14443(CRC_14443_A,data,len,data+len,data+len+1);
 }
 
-int LogTrace(const uint8_t * btBytes, size_t iLen, int iSamples, uint32_t dwParity, int bReader)
+int LogTrace(const uint8_t * btBytes, int iLen, int iSamples, uint32_t dwParity, int bReader)
 {
   // Return when trace is full
   if (traceLen >= TRACE_LENGTH) return FALSE;