diff --git a/src/fido/fido.c b/src/fido/fido.c
index 48f2c5d..98f091f 100644
--- a/src/fido/fido.c
+++ b/src/fido/fido.c
@@ -400,7 +400,14 @@ void set_opts(uint8_t opts) {
     low_flash_available();
 }
 
+extern int cmd_register();
+extern int cmd_authenticate();
+extern int cmd_version();
+
 static const cmd_t cmds[] = {
+    { CTAP_REGISTER, cmd_register },
+    { CTAP_AUTHENTICATE, cmd_authenticate },
+    { CTAP_VERSION, cmd_version },
     { 0x00, 0x0 }
 };