diff --git a/accumulate.go b/accumulate.go
index 4d02d4b..50b39cd 100644
--- a/accumulate.go
+++ b/accumulate.go
@@ -69,10 +69,9 @@ func accumulateBucketMetricsForObjectsUser(accumulated map[AccumulateKey]uint64,
 	if namespace == "" {
 		return fmt.Errorf("no namespace information found on objectsUser")
 	}
-	zone := objectsUser.Tags["zone"]
-	if zone == "" {
-		return fmt.Errorf("no zone information found on objectsUser")
-	}
+	// For now all the buckets have the same zone. This may change in the future if Cloudscale decides to have different
+	// prices for different locations.
+	zone := sourceZones[0]
 
 	sourceStorage := AccumulateKey{
 		Query:     sourceQueryStorage,
diff --git a/accumulate_test.go b/accumulate_test.go
index 076f645..96e4ddf 100644
--- a/accumulate_test.go
+++ b/accumulate_test.go
@@ -21,7 +21,7 @@ func assertEqualfUint64(t *testing.T, expected uint64, actual uint64, msg string
 }
 
 func TestAccumulateBucketMetricsForObjectsUser(t *testing.T) {
-	zone := "appuio-cloudscale-ch-lpg"
+	zone := "cloudscale"
 	tenant := "inity"
 	namespace := "testnamespace"
 
diff --git a/main.go b/main.go
index 4e4aef5..d226c76 100644
--- a/main.go
+++ b/main.go
@@ -39,8 +39,9 @@ var (
 	sourceQueryTrafficOut = "object-storage-traffic-out"
 	sourceQueryRequests   = "object-storage-requests"
 
-	// we must use the correct zones, otherwise the appuio-odoo-adapter will not work correctly
-	sourceZones = []string{"c-appuio-cloudscale-lpg-2"}
+	// SourceZone represents the zone of the bucket, not of the cluster where the request for the bucket originated.
+	// All the zones we use here must be known to the appuio-odoo-adapter as well.
+	sourceZones = []string{"cloudscale"}
 
 	// source "