diff --git a/openflexure_microscope/api/static/src/components/tabContentComponents/settingsComponents/appSettings.vue b/openflexure_microscope/api/static/src/components/tabContentComponents/settingsComponents/appSettings.vue
index f2d1ed04..01f5cf97 100644
--- a/openflexure_microscope/api/static/src/components/tabContentComponents/settingsComponents/appSettings.vue
+++ b/openflexure_microscope/api/static/src/components/tabContentComponents/settingsComponents/appSettings.vue
@@ -35,7 +35,7 @@ export default {
   },
 
   watch: {
-    appTheme() {
+    appTheme: function() {
       this.setLocalStorageObj("appTheme", this.appTheme);
     }
   },
diff --git a/openflexure_microscope/api/static/src/components/tabContentComponents/settingsComponents/featuresSettings.vue b/openflexure_microscope/api/static/src/components/tabContentComponents/settingsComponents/featuresSettings.vue
index da240360..8d2fbde2 100644
--- a/openflexure_microscope/api/static/src/components/tabContentComponents/settingsComponents/featuresSettings.vue
+++ b/openflexure_microscope/api/static/src/components/tabContentComponents/settingsComponents/featuresSettings.vue
@@ -39,7 +39,7 @@ export default {
   },
 
   watch: {
-    IHIEnabled() {
+    IHIEnabled: function() {
       this.setLocalStorageObj("IHIEnabled", this.IHIEnabled);
     }
   },