diff --git a/CHANGELOG.md b/CHANGELOG.md
index 844d57e..2babdec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [1.0.5 - 2025-05-25]
+
+### Fixed
+
+- Corrected support of the `GOOGLE_API_KEY` env variable.
+
 ## [1.0.4 - 2025-04-04]
 
 ### Added
diff --git a/nodes.py b/nodes.py
index 1d91e9b..ab0bb7c 100644
--- a/nodes.py
+++ b/nodes.py
@@ -1,4 +1,5 @@
 import logging
+import os
 import random
 
 import google.generativeai as genai
@@ -73,7 +74,10 @@ class GeminiNode:
         for image in [image_1, image_2, image_3]:
             if image is not None:
                 images_to_send.extend(images_to_pillow(image))
-        genai.configure(api_key=api_key, transport="rest")
+        if "GOOGLE_API_KEY" in os.environ and not api_key:
+            genai.configure(transport="rest")
+        else:
+            genai.configure(api_key=api_key, transport="rest")
         model = genai.GenerativeModel(model, safety_settings=safety_settings, system_instruction=system_instruction)
         generation_config = genai.GenerationConfig(
             response_mime_type="application/json" if response_type == "json" else "text/plain"
diff --git a/pyproject.toml b/pyproject.toml
index 7a3c061..8017898 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "comfyui-gemini"
-version = "1.0.4"
+version = "1.0.5"
 description = "Nodes for Google Gemini API, focusing on backward compatibility and stability within ComfyUI."
 license = { file = "LICENSE" }
 requires-python = ">=3.10"