diff --git a/webapp/src/components/modalComponents/calibrationModal.vue b/webapp/src/components/modalComponents/calibrationModal.vue
index 71380f36..7529b6b5 100644
--- a/webapp/src/components/modalComponents/calibrationModal.vue
+++ b/webapp/src/components/modalComponents/calibrationModal.vue
@@ -201,15 +201,12 @@ export default {
     show: async function() {
       // Check if the camera and stage are calibrated, if they can be
       if (this.canCSMCalibrated) {
-        try {
-          let csm = this.readThingProperty(
-            "camera_stage_mapping",
-            "image_to_stage_displacement_matrix"
-          );
-          this.isCSMCalibrated = Boolean(csm);
-        } catch {
-          this.isCSMCalibrated = false;
-        }
+        let csm = this.readThingProperty(
+          "camera_stage_mapping",
+          "image_to_stage_displacement_matrix",
+          true
+        );
+        this.isCSMCalibrated = Boolean(csm);
       }
       if (this.canLSTCalibrated) {
         this.isLSTCalibrated = this.readThingProperty(
diff --git a/webapp/src/main.js b/webapp/src/main.js
index 4dd2b266..8f71eba9 100644
--- a/webapp/src/main.js
+++ b/webapp/src/main.js
@@ -41,7 +41,7 @@ Vue.mixin({
     thingAvailable(thing) {
       return this.$store.getters["wot/thingAvailable"](thing);
     },
-    async readThingProperty(thing, property) {
+    async readThingProperty(thing, property, silence_errors = false) {
       let url = this.$store.getters["wot/thingPropertyUrl"](
         thing,
         property,
@@ -51,7 +51,8 @@ Vue.mixin({
         let response = await axios.get(url);
         return response.data;
       } catch (error) {
-        this.modalError(error);
+        if (!silence_errors) this.modalError(error);
+        return undefined;
       }
     },
     async writeThingProperty(thing, property, value) {