diff --git a/app/api/leantime/tasks/route.ts b/app/api/leantime/tasks/route.ts
index 23c425bc..c9209578 100644
--- a/app/api/leantime/tasks/route.ts
+++ b/app/api/leantime/tasks/route.ts
@@ -26,7 +26,7 @@ async function getLeantimeUserId(email: string): Promise<number | null> {
     
     const headers: Record<string, string> = {
       'Content-Type': 'application/json',
-      'apiKey': process.env.LEANTIME_TOKEN
+      'X-API-Key': process.env.LEANTIME_TOKEN
     };
 
     const response = await fetch(`${process.env.LEANTIME_API_URL}/api/jsonrpc`, {
@@ -100,7 +100,7 @@ export async function GET(request: NextRequest) {
     console.log('Fetching tasks for Leantime user ID:', userId);
     const headers: Record<string, string> = {
       'Content-Type': 'application/json',
-      'apiKey': process.env.LEANTIME_TOKEN!
+      'X-API-Key': process.env.LEANTIME_TOKEN!
     };
 
     const response = await fetch(`${process.env.LEANTIME_API_URL}/api/jsonrpc`, {