diff --git a/installation/mods_MarcMentat/apply_DAMASK_modifications.py b/installation/mods_MarcMentat/apply_DAMASK_modifications.py
index 909dfa35a..38a6078b3 100755
--- a/installation/mods_MarcMentat/apply_DAMASK_modifications.py
+++ b/installation/mods_MarcMentat/apply_DAMASK_modifications.py
@@ -23,8 +23,8 @@ parser.add_argument('--editor', dest='editor', metavar='string', default='vi',
 def copy_and_replace(in_file,dst):
     with open(in_file) as f:
         content = f.read()
-    content = content.replace('%INSTALLDIR%',str(damask_root/'bin'))
-    content = content.replace('%VERSION%',str(marc_version).replace('.0',''))
+    content = content.replace('%INSTALLDIR%',msc_root)
+    content = content.replace('%VERSION%',str(marc_version))
     content = content.replace('%EDITOR%', parser.parse_args().editor)
     with open(dst/Path(in_file).name,'w') as f:
         f.write(content)