diff --git a/src/components/wired/views/conditions/WiredConditionDateRangeView.tsx b/src/components/wired/views/conditions/WiredConditionDateRangeView.tsx
index 8eedbf3..394c931 100644
--- a/src/components/wired/views/conditions/WiredConditionDateRangeView.tsx
+++ b/src/components/wired/views/conditions/WiredConditionDateRangeView.tsx
@@ -13,35 +13,34 @@ export const WiredConditionDateRangeView: FC<{}> = props =>
 
     const save = () =>
     {
-        let startDateMili = 0;
-        let endDateMili = 0;
-
         const startDateInstance = new Date(startDate);
         const endDateInstance = new Date(endDate);
 
-        if(startDateInstance && endDateInstance)
-        {
-            startDateMili = startDateInstance.getTime() / 1000;
-            endDateMili = endDateInstance.getTime() / 1000;
-        }
+        // new Date('garbage') is a truthy *Invalid Date*, not null — the old
+        // `if(startDateInstance && endDateInstance)` was always true, so an
+        // unparseable input wrote NaN as the int param. Guard on getTime().
+        const startDateMili = isNaN(startDateInstance.getTime()) ? 0 : Math.floor(startDateInstance.getTime() / 1000);
+        const endDateMili = isNaN(endDateInstance.getTime()) ? 0 : Math.floor(endDateInstance.getTime() / 1000);
 
         setIntParams([ startDateMili, endDateMili ]);
     };
 
     useEffect(() =>
     {
+        // Seed both inputs (default "now") even for a never-configured furni so
+        // the first save can't send new Date('') → NaN.
+        let startDate = new Date();
+        let endDate = new Date();
+
         if(trigger.intData.length >= 2)
         {
-            let startDate = new Date();
-            let endDate = new Date();
-
             if(trigger.intData[0] > 0) startDate = new Date((trigger.intData[0] * 1000));
 
             if(trigger.intData[1] > 0) endDate = new Date((trigger.intData[1] * 1000));
-
-            setStartDate(WiredDateToString(startDate));
-            setEndDate(WiredDateToString(endDate));
         }
+
+        setStartDate(WiredDateToString(startDate));
+        setEndDate(WiredDateToString(endDate));
     }, [ trigger ]);
 
     return (