diff --git a/src/crons/cache.warmer.service.ts b/src/crons/cache.warmer.service.ts
index 61d37bb91..c35834ec6 100644
--- a/src/crons/cache.warmer.service.ts
+++ b/src/crons/cache.warmer.service.ts
@@ -58,7 +58,7 @@ export class CacheWarmerService {
     }, true);
   }
 
-  @Cron('*/30 * * * *')
+  @Cron('* * * * *')
   async handleProviderInvalidations() {
     await Locker.lock('Providers invalidations', async () => {
       let providers = await this.providerService.getAllProvidersRaw();
diff --git a/src/endpoints/providers/provider.service.ts b/src/endpoints/providers/provider.service.ts
index 77b2bf00b..02d606527 100644
--- a/src/endpoints/providers/provider.service.ts
+++ b/src/endpoints/providers/provider.service.ts
@@ -113,6 +113,8 @@ export class ProviderService {
       return bSort - aSort;
     });
 
+    providers = providers.filter(provider => provider.numNodes > 0 && provider.stake !== '0');
+
     return providers;
   }