diff --git a/pio/rename-firmware.py b/pio/name-firmware.py
similarity index 52%
rename from pio/rename-firmware.py
rename to pio/name-firmware.py
index 49f86d79e..1a65ad4fc 100644
--- a/pio/rename-firmware.py
+++ b/pio/name-firmware.py
@@ -1,12 +1,12 @@
 Import('env')
 import os
+import shutil
 
-def obj_ren_after_bin(source, target, env):
-    #    print("Rename firmware.bin")
+def name_firmware(source, target, env):
     base_dir = os.path.dirname(str(target[0]))
     new_file = "{}{}{}.bin".format(base_dir, os.path.sep, str(target[0]).split(os.path.sep)[1])
     if os.path.isfile(new_file):
         os.remove(new_file)
-    os.rename(str(target[0]), new_file)
+    shutil.copyfile(str(target[0]), new_file)
 
-env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", [obj_ren_after_bin]) 
+env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", [name_firmware])
diff --git a/platformio.ini b/platformio.ini
index 77053d7e2..22e0998ee 100755
--- a/platformio.ini
+++ b/platformio.ini
@@ -86,7 +86,7 @@ upload_resetmethod        = nodemcu
 ; *** Upload Serial reset method for Wemos and NodeMCU
 upload_port               = COM5
 extra_scripts             = pio/strip-floats.py
-;                            pio/rename-firmware.py
+;                            pio/name-firmware.py
 ;                            pio/obj-dump.py
 
 ; *** Upload file to OTA server using SCP