diff --git a/fido2/ctaphid.c b/fido2/ctaphid.c
index 8bb3935..7bbcb7e 100644
--- a/fido2/ctaphid.c
+++ b/fido2/ctaphid.c
@@ -805,7 +805,7 @@ uint8_t ctaphid_custom_command(int len, CTAP_RESPONSE * ctap_resp, CTAPHID_WRITE
                 if (ctap_user_presence_test(2000) > 0)
                     if (ctap_user_presence_test(2000) > 0)
                     {
-                        ctap_load_external_keys(ctap_buffer + 4);
+                        ctap_load_external_keys(ctap_buffer + 8);
                         param = ctap_buffer[7];
                         param |= ctap_buffer[6] << 8;
                         param |= ctap_buffer[5] << 16;
diff --git a/targets/stm32l432/src/app.h b/targets/stm32l432/src/app.h
index fa3d380..4ed5309 100644
--- a/targets/stm32l432/src/app.h
+++ b/targets/stm32l432/src/app.h
@@ -11,6 +11,7 @@
 #include "solo.h"
 
 #define SOLO
+#define SOLO_EXPERIMENTAL
 
 #define DEBUG_UART      USART1