diff --git a/platform/core/src/classes/metadata/StudyMetadata.js b/platform/core/src/classes/metadata/StudyMetadata.js
index c43a50f2d..256b1d0b8 100644
--- a/platform/core/src/classes/metadata/StudyMetadata.js
+++ b/platform/core/src/classes/metadata/StudyMetadata.js
@@ -121,7 +121,7 @@ export class StudyMetadata extends Metadata {
       if (displaySet) {
         displaySet.sopClassModule = true;
         displaySets.push(displaySet);
-        return;
+        return displaySets;
       }
     }