diff --git a/ccw/src/core/routes/litellm-api-routes.ts b/ccw/src/core/routes/litellm-api-routes.ts
index 4eae14ed..92426775 100644
--- a/ccw/src/core/routes/litellm-api-routes.ts
+++ b/ccw/src/core/routes/litellm-api-routes.ts
@@ -581,7 +581,8 @@ export async function handleLiteLLMApiRoutes(ctx: RouteContext): Promise<boolean
         try {
           const { stdout } = await execAsync(`${pythonExe} -c "${pythonCode}"`, {
             timeout: 5000,
-            windowsHide: true
+            windowsHide: true,
+            shell: true,  // Required for Windows PATH resolution
           });
           const version = stdout.trim();
           if (version) {