diff --git a/src/kicad-server.ts b/src/kicad-server.ts
index 5dca363..348d1c5 100644
--- a/src/kicad-server.ts
+++ b/src/kicad-server.ts
@@ -308,10 +308,10 @@ class KiCADServer {
       console.error(`Using Python executable: ${pythonExe}`);
       this.pythonProcess = spawn(pythonExe, [this.kicadScriptPath], {
         stdio: ['pipe', 'pipe', 'pipe'],
-        /*env: {
+        env: {
           ...process.env,
           PYTHONPATH: 'C:/Program Files/KiCad/9.0/lib/python3/dist-packages'
-        }*/
+        }
       });
       
       // Listen for process exit
diff --git a/src/server.ts b/src/server.ts
index 9cf872a..4a0a2c9 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -269,10 +269,10 @@ export class KiCADMcpServer {
       }
       this.pythonProcess = spawn(pythonExe, [this.kicadScriptPath], {
         stdio: ['pipe', 'pipe', 'pipe'],
-        /*env: {
+        env: {
           ...process.env,
           PYTHONPATH: process.env.PYTHONPATH || 'C:/Program Files/KiCad/9.0/lib/python3/dist-packages'
-        }*/
+        }
       });
       
       // Listen for process exit