diff --git a/src/firmware/nuttx/CMakeLists.txt b/src/firmware/nuttx/CMakeLists.txt
index c188370bf7..ef8cefd511 100644
--- a/src/firmware/nuttx/CMakeLists.txt
+++ b/src/firmware/nuttx/CMakeLists.txt
@@ -31,8 +31,12 @@ set(startup_libs)
 
 if("${config_nuttx_config}" STREQUAL "bootloader")
 	set(nuttx_ld_prefix "bootloader")
-	set(nuttx_startup_files ${nuttx_export_dir}/startup/${nuttx_startup_files})
 	set(nuttx_bootloader_wrapers "-Wl,-wrap,sched_process_timer -Wl,-wrap,sem_post -Wl,-wrap,sem_wait")
+endif()
+
+if(NOT "${nuttx_startup_files}" STREQUAL "" )
+
+	set(nuttx_startup_files ${nuttx_export_dir}/startup/${nuttx_startup_files})
 
 	add_custom_command(OUTPUT
 		${nuttx_startup_files}