diff --git a/cmake/configs/nuttx_px4fmu-v3_rtps.cmake b/cmake/configs/nuttx_px4fmu-v3_rtps.cmake
index cdbf9d449c..94a7a090c2 100644
--- a/cmake/configs/nuttx_px4fmu-v3_rtps.cmake
+++ b/cmake/configs/nuttx_px4fmu-v3_rtps.cmake
@@ -1,5 +1,7 @@
 include(configs/nuttx_px4fmu-v3_default)
 
+set(FW_NAME nuttx_px4fmu-v3_rtps.elf CACHE string "" FORCE)
+
 list(APPEND config_module_list
 	modules/micrortps_bridge
-)
\ No newline at end of file
+)