diff --git a/src/js/structures.js b/src/js/structures.js
index 52f9668..ffe6a98 100644
--- a/src/js/structures.js
+++ b/src/js/structures.js
@@ -42,7 +42,7 @@ class Coordinate {
     }
     //Get Coordinates in Screen Reference Frame
     if (frameArgs[2]) {
-      if (frameArgs[2].zoom && frameArgs[2].offset) {
+      if (frameArgs[2].zoom && frameArgs[2].offset && frameArgs[2].offset.x !== undefined && frameArgs[2].offset.y !== undefined) {
         outFrames.push({
           x: outFrames[1].x * frameArgs[2].zoom + frameArgs[2].offset.x,
           y: outFrames[1].y  * frameArgs[2].zoom + frameArgs[2].offset.y
diff --git a/src/pages/detect.vue b/src/pages/detect.vue
index 0ef2e7a..5a52b91 100644
--- a/src/pages/detect.vue
+++ b/src/pages/detect.vue
@@ -149,7 +149,6 @@
   const regions = ['Thorax','Abdomen/Pelvis','Limbs','Head and Neck']
   let activeRegion = 4
   let classesList = []
-  let imCvsLocation = {}
   let imageLoadMode = "environment"
   let serverSettings = {}
   let otherSettings = {}