diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a3d2c5..ff4fe35 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## kedro-neptune 0.1.1
+
+### Features
+- Support environment variables for enabled ([#35](https://github.com/neptune-ai/kedro-neptune/pull/35))
+
 ## kedro-neptune 0.1.0
 
 ### Changes
diff --git a/kedro_neptune/config.py b/kedro_neptune/config.py
index 8302d7c..c10fc87 100644
--- a/kedro_neptune/config.py
+++ b/kedro_neptune/config.py
@@ -18,12 +18,10 @@
 from dataclasses import dataclass
 
 
-def _parse_config_input(config_input):
-    if config_input.startswith('$'):
-        parsed_input = os.environ.get(config_input[1:])
-    else:
-        parsed_input = config_input
-    return parsed_input
+def _parse_config_input(config_input: str):
+    if isinstance(config_input, str) and config_input.startswith('$'):
+        return os.environ.get(config_input[1:])
+    return config_input
 
 
 @dataclass()