diff --git a/include/nuttx/wireless/mfrc522.h b/include/nuttx/wireless/mfrc522.h
index cdb55134c1..d5e406738c 100644
--- a/include/nuttx/wireless/mfrc522.h
+++ b/include/nuttx/wireless/mfrc522.h
@@ -61,7 +61,7 @@
  * Public Types
  ****************************************************************************/
 
-enum mfrc522_state_E
+enum mfrc522_state_e
 {
   MFRC522_STATE_NOT_INIT,
   MFRC522_STATE_IDLE,
diff --git a/include/nuttx/wireless/pn532.h b/include/nuttx/wireless/pn532.h
index 450b7c7ba3..f260afa7c2 100644
--- a/include/nuttx/wireless/pn532.h
+++ b/include/nuttx/wireless/pn532.h
@@ -70,7 +70,7 @@
  * Public Types
  ****************************************************************************/
 
-enum pn532_state_E
+enum pn532_state_e
 {
   PN532_STATE_NOT_INIT,
   PN532_STATE_IDLE,