diff --git a/pyro/ProjectBase.py b/pyro/ProjectBase.py
index c3cd2b11..706843f1 100644
--- a/pyro/ProjectBase.py
+++ b/pyro/ProjectBase.py
@@ -58,7 +58,7 @@ def _get_path(path: str, *, relative_root_path: str, fallback_path: Union[str, l
         """
         if path or startswith(path, (os.curdir, os.pardir)):
             path = os.path.expanduser(os.path.expandvars(path))
-            return path if os.path.isabs(path) else os.path.normpath(os.path.join(relative_root_path, path))
+            return os.path.normpath(path) if os.path.isabs(path) else os.path.normpath(os.path.join(relative_root_path, path))
         if isinstance(fallback_path, list):
             return os.path.abspath(os.path.join(*fallback_path))
         return fallback_path