diff --git a/solr/api.go b/solr/api.go
index 44bcf816..7f5a7e16 100644
--- a/solr/api.go
+++ b/solr/api.go
@@ -38,7 +38,7 @@ const (
 	Replica             = "replica"
 	MoveReplica         = "MOVEREPLICA"
 	PurgeUnused         = "purgeUnused"
-	TargetNode          = "TargetNode"
+	TargetNode          = "targetNode"
 	BackupId            = "backupId"
 	DeleteStatus        = "DELETESTATUS"
 	RequestStatus       = "REQUESTSTATUS"