diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7dc8d8e..a6accca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,12 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
   specifies the directory created in the database
   ([#107](https://github.com/watts-dev/watts/pull/107))
 
+### Fixed
+
+* Fixed path for templates rendered from the `extra_template_inputs` argument in
+  `PluginGeneric` and subclasses
+  ([#109](https://github.com/watts-dev/watts/pull/109))
+
 ## [0.5.1]
 
 ### Added
diff --git a/src/watts/template.py b/src/watts/template.py
index 1c0b8ae..b12d9ee 100644
--- a/src/watts/template.py
+++ b/src/watts/template.py
@@ -53,7 +53,7 @@ def __call__(self, params: Parameters, filename: Optional[PathLike] = None):
         # Default rendered template filename
         if filename is None:
             name = self.template_file.name
-            out_path = self.template_file.with_name(f'{name}{self.suffix}')
+            out_path = Path(f'{name}{self.suffix}')
         else:
             out_path = Path(filename)