diff --git a/backend/app/main.py b/backend/app/main.py
index 0525df2..11e4381 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -223,6 +223,7 @@ def _seed_sync() -> None:
     docs_url=f"{settings.API_V1_STR}/docs",
     redoc_url=f"{settings.API_V1_STR}/redoc",
     lifespan=_lifespan,
+    redirect_slashes=False,
 )
 
 # Prometheus /metrics should be exposed before startup to avoid "Cannot add middleware after started"