diff --git a/app.js b/app.js
index 4f00a5d..9a996e7 100644
--- a/app.js
+++ b/app.js
@@ -71,9 +71,7 @@ async function loop() {
       console.error(`The space ${space.id} might not be reachable. Please check the endpoint.`);
       continue;
     }
-    if (JSON.stringify(response) != JSON.stringify(cache.get(space.id))) {
-      cache.set(space.id, response);
-
+    if (response.open != cache.get(space.id)) {
       // update or create the space in the database
       let update = await prisma.space.upsert({
         where: { id: space.id },
@@ -92,7 +90,9 @@ async function loop() {
       });
 
       changecount++;
+      console.debug(`Space ${space.id} changed to ${response.open ? "open" : "closed"}.`);
     }
+    cache.set(space.id, response.open);
   }
   console.log(new Date(), "Check complete, updated", changecount, "spaces.");
 }