diff --git a/extensions/default/src/DicomJSONDataSource/index.js b/extensions/default/src/DicomJSONDataSource/index.js
index c1fcce478..ee5eba5d4 100644
--- a/extensions/default/src/DicomJSONDataSource/index.js
+++ b/extensions/default/src/DicomJSONDataSource/index.js
@@ -134,7 +134,7 @@ function createDicomJSONApi(dicomJsonConfig) {
     },
     retrieve: {
       series: {
-        metaData: ({
+        metadata: ({
           StudyInstanceUID,
           madeInClient = false,
           customSort,