diff --git a/schema.graphqls b/schema.graphqls
index 2823738..a7464ee 100644
--- a/schema.graphqls
+++ b/schema.graphqls
@@ -38,7 +38,7 @@ type ParkingStructure {
 type HistoricalParkingAverageQueryResult {
   from: DateTime!
   to: DateTime!
-  averageSpotsAvailable: Int!
+  averageSpotsAvailable: Float!
 }
 
 input HistoricalParkingAverageQueryInput {