diff --git a/default_pfx.py b/default_pfx.py
index db413d41..8a721a22 100755
--- a/default_pfx.py
+++ b/default_pfx.py
@@ -73,6 +73,14 @@ def setup_dll_symlinks(default_pfx_dir, dist_dir):
                 os.unlink(filename)
                 make_relative_symlink(target, filename)
 
+#steampipe can't handle filenames with colons, so we remove them here
+#and restore them in the proton script
+def fixup_drive_links(default_pfx_dir):
+    for walk_dir, dirs, files in os.walk(os.path.join(default_pfx_dir, "dosdevices")):
+        for dir_ in dirs:
+            if ":" in dir_:
+                os.remove(os.path.join(walk_dir, dir_))
+
 def make_default_pfx(default_pfx_dir, dist_dir, runtime):
     local_env = dict(os.environ)
 
@@ -96,6 +104,7 @@ def make_default_pfx(default_pfx_dir, dist_dir, runtime):
 
         env=local_env, check=True)
     setup_dll_symlinks(default_pfx_dir, dist_dir)
+    fixup_drive_links(default_pfx_dir)
 
 if __name__ == '__main__':
     import sys
diff --git a/proton b/proton
index e3625b90..0d9cbe30 100755
--- a/proton
+++ b/proton
@@ -634,6 +634,12 @@ class CompatData:
 
             self.migrate_user_paths()
 
+            if not os.path.lexists(self.prefix_dir + "/dosdevices/c:"):
+                os.symlink("../drive_c", self.prefix_dir + "/dosdevices/c:")
+
+            if not os.path.lexists(self.prefix_dir + "/dosdevices/z:"):
+                os.symlink("/", self.prefix_dir + "/dosdevices/z:")
+
             # collect configuration info
             steamdir = os.environ["STEAM_COMPAT_CLIENT_INSTALL_PATH"]