diff --git a/development/cmake/po/update-gmo.py b/development/cmake/po/update-gmo.py
index 1be9575e20..8e0c1082b4 100644
--- a/development/cmake/po/update-gmo.py
+++ b/development/cmake/po/update-gmo.py
@@ -3,5 +3,5 @@
 ###############
 import sys, os, shutil
 
-if os.stat(sys.argv[1]).st_size > 0:
+if os.stat(sys.argv[1]).st_size > 0 or not os.path.isfile(sys.argv[3]):
     shutil.copyfile(sys.argv[2], sys.argv[3])