diff --git a/app/courrier/[id]/route.ts b/app/courrier/[id]/route.ts
index 65254cb4..5895b24c 100644
--- a/app/courrier/[id]/route.ts
+++ b/app/courrier/[id]/route.ts
@@ -48,7 +48,7 @@ export async function GET(request: Request, props: { params: Promise<{ id: strin
     }
 
     // Get mail credentials
-    const credentials = await prisma.mailCredentials.findUnique({
+    const credentials = await prisma.mailCredentials.findFirst({
       where: {
         userId: session.user.id,
       },
@@ -194,7 +194,7 @@ export async function POST(request: Request, props: { params: Promise<{ id: stri
     console.log(`[DEBUG] Processing action ${action} for email ${id}`);
 
     // Get mail credentials
-    const credentials = await prisma.mailCredentials.findUnique({
+    const credentials = await prisma.mailCredentials.findFirst({
       where: {
         userId: session.user.id,
       },