diff --git a/src/fido/cbor_config.c b/src/fido/cbor_config.c
index e29eb2b..9a2ffb3 100644
--- a/src/fido/cbor_config.c
+++ b/src/fido/cbor_config.c
@@ -243,6 +243,21 @@ int cbor_config(const uint8_t *data, size_t len) {
                 CBOR_ERROR(CTAP2_ERR_MISSING_PARAMETER);
             }
         }
+        else if (vendorCommandId == CTAP_CONFIG_PHY_LED_GPIO || vendorCommandId == CTAP_CONFIG_PHY_LED_BTNESS) {
+            if (vendorParam != 0) {
+                if (vendorCommandId == CTAP_CONFIG_PHY_LED_GPIO) {
+                    tmp[PHY_LED_GPIO] = (uint8_t)vendorParam;
+                    opts |= PHY_OPT_GPIO;
+                }
+                else if (vendorCommandId == CTAP_CONFIG_PHY_LED_BTNESS) {
+                    tmp[PHY_LED_BTNESS] = (uint8_t)vendorParam;
+                    opts |= PHY_OPT_BTNESS;
+                }
+            }
+            else {
+                CBOR_ERROR(CTAP2_ERR_MISSING_PARAMETER);
+            }
+        }
         else if (vendorCommandId == CTAP_CONFIG_PHY_OPTS) {
             if (vendorParam != 0) {
                 uint16_t opt = (uint16_t)vendorParam;
diff --git a/src/fido/ctap.h b/src/fido/ctap.h
index 1a82ade..28f6bb0 100644
--- a/src/fido/ctap.h
+++ b/src/fido/ctap.h
@@ -115,6 +115,8 @@ typedef struct {
 #define CTAP_CONFIG_AUT_ENABLE      0x03e43f56b34285e2
 #define CTAP_CONFIG_AUT_DISABLE     0x1831a40f04a25ed9
 #define CTAP_CONFIG_PHY_VIDPID      0x6fcb19b0cbe3acfa
+#define CTAP_CONFIG_PHY_LED_GPIO    0x7b392a394de9f948
+#define CTAP_CONFIG_PHY_LED_BTNESS  0x76a85945985d02fd
 #define CTAP_CONFIG_PHY_OPTS        0x969f3b09eceb805f
 
 #define CTAP_VENDOR_CBOR            (CTAPHID_VENDOR_FIRST + 1)