diff --git a/src/fido/ctap.h b/src/fido/ctap.h
index 15bb84d..a7dfa03 100644
--- a/src/fido/ctap.h
+++ b/src/fido/ctap.h
@@ -129,8 +129,7 @@ typedef struct {
 #define CTAP_VENDOR_MSE                 0x02
 #define CTAP_VENDOR_UNLOCK              0x03
 #define CTAP_VENDOR_EA                  0x04
-#define CTAP_VENDOR_PHY_OPTS            0x05
-#define CTAP_VENDOR_MEMORY              0x06
+#define CTAP_VENDOR_ADMIN_PIN           0x08
 
 #define CTAP_PERMISSION_MC              0x01  // MakeCredential
 #define CTAP_PERMISSION_GA              0x02  // GetAssertion
diff --git a/src/fido/fido.c b/src/fido/fido.c
index 2c24c0f..5c4b456 100644
--- a/src/fido/fido.c
+++ b/src/fido/fido.c
@@ -442,6 +442,7 @@ int scan_files_fido() {
         printf("FATAL ERROR: Global counter not found in memory!\r\n");
     }
     ef_pin = search_by_fid(EF_PIN, NULL, SPECIFY_EF);
+    ef_pin_admin = search_by_fid(EF_PIN_ADMIN, NULL, SPECIFY_EF);
     ef_authtoken = search_by_fid(EF_AUTHTOKEN, NULL, SPECIFY_EF);
     if (ef_authtoken) {
         if (!file_has_data(ef_authtoken)) {
diff --git a/src/fido/files.c b/src/fido/files.c
index bc278d5..d2280db 100644
--- a/src/fido/files.c
+++ b/src/fido/files.c
@@ -32,6 +32,7 @@ file_t file_entries[] = {
     { .fid = EF_OPTS,  .parent = 0, .name = NULL, .type = FILE_TYPE_INTERNAL_EF | FILE_DATA_FLASH, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = { 0xff } }, // Global options
     { .fid = EF_LARGEBLOB,  .parent = 0, .name = NULL, .type = FILE_TYPE_INTERNAL_EF | FILE_DATA_FLASH, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = { 0xff } }, // Large Blob
     { .fid = EF_OTP_PIN,  .parent = 0, .name = NULL, .type = FILE_TYPE_INTERNAL_EF | FILE_DATA_FLASH, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = { 0xff } },
+    { .fid = EF_PIN_ADMIN,  .parent = 0, .name = NULL, .type = FILE_TYPE_INTERNAL_EF | FILE_DATA_FLASH, .data = NULL, .ef_structure = FILE_EF_TRANSPARENT, .acl = { 0xff } }, // ADMIN PIN
     { .fid = 0x0000, .parent = 0xff, .name = NULL, .type = FILE_TYPE_NOT_KNOWN, .data = NULL, .ef_structure = 0, .acl = { 0 } }  //end
 };
 
@@ -41,6 +42,7 @@ file_t *ef_keydev = NULL;
 file_t *ef_certdev = NULL;
 file_t *ef_counter = NULL;
 file_t *ef_pin = NULL;
+file_t *ef_pin_admin = NULL;
 file_t *ef_authtoken = NULL;
 file_t *ef_keydev_enc = NULL;
 file_t *ef_largeblob = NULL;
diff --git a/src/fido/files.h b/src/fido/files.h
index 715a306..2e38174 100644
--- a/src/fido/files.h
+++ b/src/fido/files.h
@@ -28,6 +28,7 @@
 #define EF_COUNTER      0xC000
 #define EF_OPTS         0xC001
 #define EF_PIN          0x1080
+#define EF_PIN_ADMIN    0x1084
 #define EF_AUTHTOKEN    0x1090
 #define EF_PAUTHTOKEN   0x1091
 #define EF_MINPINLEN    0x1100
@@ -48,6 +49,7 @@ extern file_t *ef_keydev;
 extern file_t *ef_certdev;
 extern file_t *ef_counter;
 extern file_t *ef_pin;
+extern file_t *ef_pin_admin;
 extern file_t *ef_authtoken;
 extern file_t *ef_keydev_enc;
 extern file_t *ef_largeblob;