diff --git a/core/embed/bootloader/emulator.c b/core/embed/bootloader/emulator.c
index 68c8f5ab0f..065c465de9 100644
--- a/core/embed/bootloader/emulator.c
+++ b/core/embed/bootloader/emulator.c
@@ -7,6 +7,9 @@
 #include "flash.h"
 #include "model.h"
 #include "rust_ui.h"
+#ifdef USE_OPTIGA
+#include "secret.h"
+#endif
 
 #include "emulator.h"
 
@@ -40,9 +43,17 @@ __attribute__((noreturn)) int main(int argc, char **argv) {
     (void)ret;
   }
 
-  if (argc == 2 && argv[1][0] == 's') {
-    // Run the firmware
-    stay_in_bootloader_flag = STAY_IN_BOOTLOADER_FLAG;
+  if (argc == 2) {
+    if (argv[1][0] == 's') {
+      // Run the firmware
+      stay_in_bootloader_flag = STAY_IN_BOOTLOADER_FLAG;
+    }
+#ifdef USE_OPTIGA
+    else if (argv[1][0] == 'l') {
+      // write bootloader-lock secret
+      secret_write_header();
+    }
+#endif
   } else if (argc == 4) {
     display_init();
     display_backlight(180);