diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 0000000..2b9cabc
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+20.12.0
diff --git a/components/calendar/CalendarEvent.vue b/components/calendar/CalendarEvent.vue
index 646c239..bbda399 100644
--- a/components/calendar/CalendarEvent.vue
+++ b/components/calendar/CalendarEvent.vue
@@ -23,13 +23,13 @@ const isPopoverDetailsOpen = ref<boolean>(false)
 
 function handleDoubleClick() {
   isPopoverDetailsOpen.value = false
-  lastActiveEvent.value = { ...props.event }
+  lastActiveEvent.value = structuredClone(toRaw(props.event))
   revealEditEventModal()
 }
 
 function handleDelete() {
   isPopoverDetailsOpen.value = false
-  lastActiveEvent.value = { ...props.event }
+  lastActiveEvent.value = structuredClone(toRaw(props.event))
   revealDeleteEventModal()
 }
 
diff --git a/components/calendar/CalendarEventDetails.vue b/components/calendar/CalendarEventDetails.vue
index f2892e5..b0c1b7a 100644
--- a/components/calendar/CalendarEventDetails.vue
+++ b/components/calendar/CalendarEventDetails.vue
@@ -43,7 +43,7 @@ function handleJumpToDate(date: RPGDate) {
 const commandMenuOpened = ref(false)
 
 function deployEditModal() {
-  lastActiveEvent.value = { ...props.event }
+  lastActiveEvent.value = structuredClone(toRaw(props.event))
   revealEditEventModal()
   commandMenuOpened.value = false
   emit("query:close-popover")
@@ -53,7 +53,7 @@ function deployEditModal() {
  * Confirm event deletion
  */
 function deployDeleteModal() {
-  lastActiveEvent.value = { ...props.event }
+  lastActiveEvent.value = structuredClone(toRaw(props.event))
   revealDeleteEventModal()
   commandMenuOpened.value = false
   emit("query:close-popover")