diff --git a/src/api/n3health.py b/src/api/n3health.py
index f510d2f..7ffda1e 100644
--- a/src/api/n3health.py
+++ b/src/api/n3health.py
@@ -60,7 +60,7 @@ async def resend(trackingID: str, IdPatientMis: str):
         "X-Id-Lpu": settings.n3healthXIdLpu,
     }
     data = {
-        "trackingID": trackingID,
+        "trackingId": trackingID,
         "IdPatientMis": [str(IdPatientMis)],
         "delivery": ["sms"],
     }