diff --git a/web/src/objects/object-detail.tsx b/web/src/objects/object-detail.tsx
index c848ba5..824828e 100644
--- a/web/src/objects/object-detail.tsx
+++ b/web/src/objects/object-detail.tsx
@@ -67,7 +67,13 @@ export function ObjectDetail() {
             <Field
               key={key}
               label={labelFor(key)}
-              value={typeof value === "object" ? JSON.stringify(value) : String(value)}
+              value={
+                value == null
+                  ? null
+                  : typeof value === "object"
+                    ? JSON.stringify(value)
+                    : String(value)
+              }
             />
           ))}
         </div>