diff --git a/radio/util/build-firmware.py b/radio/util/build-firmware.py
index 6a52bf15c..798d40b37 100755
--- a/radio/util/build-firmware.py
+++ b/radio/util/build-firmware.py
@@ -221,7 +221,7 @@ if not os.path.isfile(path):
 
 
     # Copy binary to the binaries directory
-    shutil.copyfile(target, path)
+    shutil.move(target, path)
 
 print filename
 exit(0)