diff --git a/src/Tools/ArchiveNameFromVersionHeader.py b/src/Tools/ArchiveNameFromVersionHeader.py
index 142094a980..eba3d6df4a 100644
--- a/src/Tools/ArchiveNameFromVersionHeader.py
+++ b/src/Tools/ArchiveNameFromVersionHeader.py
@@ -38,7 +38,7 @@ def main():
 
     version = deserializeVersionHeader(sys.argv[1])
     if SHA:
-	version['FCRepositoryHash'] = SHA
+        version['FCRepositoryHash'] = SHA
 
     print('FreeCAD_{Major}.{Minor}-{RevCount}.{GitShortSHA}-{OS}-{Arch}'.format(
           Major=version['FCVersionMajor'],