diff --git a/utils/nfc-read-forum-tag3.c b/utils/nfc-read-forum-tag3.c
index df4a543..7b60f8d 100644
--- a/utils/nfc-read-forum-tag3.c
+++ b/utils/nfc-read-forum-tag3.c
@@ -278,9 +278,8 @@ main(int argc, char *argv[])
 
   uint8_t data[1024];
   size_t data_len = sizeof(data);
-  int len;
 
-  if (0 >= (len = nfc_forum_tag_type3_check(pnd, nt, 0, 1, data, &data_len))) {
+  if (nfc_forum_tag_type3_check(pnd, nt, 0, 1, data, &data_len) <= 0) {
     nfc_perror(pnd, "nfc_forum_tag_type3_check");
     fclose(ndef_stream);
     nfc_close(pnd);
diff --git a/utils/nfc-relay-picc.c b/utils/nfc-relay-picc.c
index 90221c8..1659c4d 100644
--- a/utils/nfc-relay-picc.c
+++ b/utils/nfc-relay-picc.c
@@ -389,8 +389,7 @@ main(int argc, char *argv[])
     }
 
     printf("NFC emulator device: %s opened\n", nfc_device_get_name(pndTarget));
-    int res;
-    if ((res = nfc_target_init(pndTarget, &ntEmulatedTarget, abtCapdu, sizeof(abtCapdu), 0)) < 0) {
+    if (nfc_target_init(pndTarget, &ntEmulatedTarget, abtCapdu, sizeof(abtCapdu), 0) < 0) {
       ERR("%s", "Initialization of NFC emulator failed");
       if (!target_only_mode) {
         nfc_close(pndInitiator);