diff --git a/ess/src/API/EMBC.ESS/Resources/Metadata/CacheUpdater.cs b/ess/src/API/EMBC.ESS/Resources/Metadata/CacheUpdater.cs
index cc740d212..515e6b4aa 100644
--- a/ess/src/API/EMBC.ESS/Resources/Metadata/CacheUpdater.cs
+++ b/ess/src/API/EMBC.ESS/Resources/Metadata/CacheUpdater.cs
@@ -23,7 +23,7 @@ public CacheUpdater(ITelemetryProvider telemetryProvider, ICache cache, IEssCont
             this.metadataRepository = new InternalMetadataRepository(essContextFactory, mapper);
         }
 
-        public string Schedule => "0/16 * * * *";
+        public string Schedule => "0 0/16 * * * *";
 
         public int DegreeOfParallelism => 1;