diff --git a/manifests/pyvenv.pp b/manifests/pyvenv.pp
index 98eb61e0..5bfc2103 100644
--- a/manifests/pyvenv.pp
+++ b/manifests/pyvenv.pp
@@ -35,7 +35,7 @@
   Array                       $environment = [],
   Optional[String[1]]         $prompt      = undef,
   Python::Venv::PipVersion    $pip_version = 'latest',
-  Optional[String[1]]         $python_path = undef,
+  Optional[Stdlib::Absolutepath] $python_path = undef,
 ) {
   include python