diff --git a/LesionTracker/bin/orthanc.sh b/LesionTracker/bin/orthanc.sh
new file mode 100755
index 000000000..47bea2d95
--- /dev/null
+++ b/LesionTracker/bin/orthanc.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+declare config='../config/orthancDICOMWeb.json'
+
+if [ $# -gt 0 ]; then
+    if [ "$1" = '--dimse' ]; then
+        config="${config%/*}/orthancDIMSE.json"
+        [ -f "$config" ] && echo "DIMSE config file selected: $config"
+    fi
+fi
+
+echo 'Starting Meteor server...'
+METEOR_PACKAGE_DIRS="../Packages" meteor --settings "$config"
diff --git a/Packages/ohif-viewerbase/client/lib/classes/LayoutManager.js b/Packages/ohif-viewerbase/client/lib/classes/LayoutManager.js
index 3daf6253d..4b14bab52 100644
--- a/Packages/ohif-viewerbase/client/lib/classes/LayoutManager.js
+++ b/Packages/ohif-viewerbase/client/lib/classes/LayoutManager.js
@@ -557,7 +557,7 @@ export class LayoutManager {
         const allowLooping = OHIF.uiSettings.displaySetNavigationLoopOverSeries;
 
         // Create a map to control the display set sequence
-        const sequenceMap = new this.getDisplaySetSequenceMap();
+        const sequenceMap = this.getDisplaySetSequenceMap();
 
         // Check if the display sets are sequenced
         const isSequenced = this.isDisplaySetsSequenced(sequenceMap);