diff --git a/client/src/emv/emv_roca.c b/client/src/emv/emv_roca.c
index 4c42be7e2..95e2eb77a 100644
--- a/client/src/emv/emv_roca.c
+++ b/client/src/emv/emv_roca.c
@@ -71,7 +71,8 @@ static mbedtls_mpi_uint mpi_get_uint(const mbedtls_mpi *X) {
     if (X->n == 1 && X->s > 0) {
         return X->p[0];
     }
-    printf("ZERRRRO!!!\n");
+    
+    PrintAndLogEx(WARNING, "ZERRRRO!!!\n");
     return 0;
 }
 
@@ -82,7 +83,7 @@ static void print_mpi(const char *msg, int radix, const mbedtls_mpi *X) {
     size_t len = 0;
 
     mbedtls_mpi_write_string(X, radix, Xchar, sizeof(Xchar), &len);
-    printf("%s[%zu] %s\n", msg, len, Xchar);
+    PrintAndLogEx(INFO, "%s[%zu] %s\n", msg, len, Xchar);
 }
 */
 bool emv_rocacheck(const unsigned char *buf, size_t buflen, bool verbose) {