diff --git a/py/Boinc/setup_project.py b/py/Boinc/setup_project.py
index 09bf41e41d..a2ee2cf974 100644
--- a/py/Boinc/setup_project.py
+++ b/py/Boinc/setup_project.py
@@ -361,8 +361,8 @@ def install_boinc_files(dest_dir, install_web_files, install_server_files):
         'tools.py',
         'util.py'
     ]
-    for f in python_files:
-        install(srcdir(f'py/Boinc/{f}'), dest(f'py/Boinc/{f}'))
+    for s in python_files:
+        install(srcdir("py/Boinc/" + s), dest('py/Boinc', s))
 
     content = '''
 # Generated by make_project
@@ -424,10 +424,10 @@ sys.path.insert(0, os.path.join('{dest_dir}', 'py'))
             'wu_check',
         ]
     for f in command:
-        install(builddir(f'sched/{f}'), dest('bin',f))
+        install(builddir('sched/' + f), dest('bin',f))
     command = [ 'vda', 'vdad' ]
     for f in command:
-        install(builddir(f'vda/{f}'), dest('bin',f))
+        install(builddir('vda/' + f), dest('bin',f))
     command = [
             'appmgr',
             'boinc_submit',
@@ -450,7 +450,7 @@ sys.path.insert(0, os.path.join('{dest_dir}', 'py'))
             'xadd',
         ]
     for f in command:
-        install(builddir(f'vda/{f}'), dest('bin',f))
+        install(builddir('vda/' + f), dest('bin',f))
     install(srcdir('lib/crypt_prog'), dest('bin','crypt_prog'))
     install(srcdir('sched/db_dump_spec.xml' ), dest('','db_dump_spec.xml' ))