diff --git a/geneit_backend/src/controllers/accommodations_reservations_controller.rs b/geneit_backend/src/controllers/accommodations_reservations_controller.rs
index 1635ae3..eac0f7b 100644
--- a/geneit_backend/src/controllers/accommodations_reservations_controller.rs
+++ b/geneit_backend/src/controllers/accommodations_reservations_controller.rs
@@ -27,6 +27,10 @@ pub async fn create_reservation(
         return Ok(HttpResponse::BadRequest().json("Start time is too far in the past!"));
     }
 
+    if req.start == req.end {
+        return Ok(HttpResponse::BadRequest().json("Start and end time must be different!"));
+    }
+
     if req.start > req.end {
         return Ok(HttpResponse::BadRequest().json("End time happens before start time!"));
     }