diff --git a/backend/src/main/kotlin/uk/co/neviyn/observationdatabase/controller/ObservationsController.kt b/backend/src/main/kotlin/uk/co/neviyn/observationdatabase/controller/ObservationsController.kt
index f9ebf7b..82a097f 100644
--- a/backend/src/main/kotlin/uk/co/neviyn/observationdatabase/controller/ObservationsController.kt
+++ b/backend/src/main/kotlin/uk/co/neviyn/observationdatabase/controller/ObservationsController.kt
@@ -181,7 +181,7 @@ class ObservationsController {
                     endDate = observationsRequest.endDate)
             }.orElse(listOf())
         } else {
-            logger.error("Observation request contains no data from which a request can be made\n$observationsRequest")
+            logger.warn("Observation request contains no data from which a request can be made\n$observationsRequest")
         }
         return listOf()
     }