diff --git a/Robust.Cdn/Jobs/IngestNewCdnContentJob.cs b/Robust.Cdn/Jobs/IngestNewCdnContentJob.cs
index 9b38cbb..03110b0 100644
--- a/Robust.Cdn/Jobs/IngestNewCdnContentJob.cs
+++ b/Robust.Cdn/Jobs/IngestNewCdnContentJob.cs
@@ -41,7 +41,7 @@ public async Task Execute(IJobExecutionContext context)
         var connection = cdnDatabase.Connection;
         var transaction = connection.BeginTransaction();
 
-        List<string> newVersions;
+        List<string> newVersions = new();
         try
         {
             newVersions = FindNewVersions(fork, connection);
@@ -61,6 +61,10 @@ public async Task Execute(IJobExecutionContext context)
 
             transaction.Commit();
         }
+        catch (Exception ex)
+        {
+            logger.LogError(ex, "Failed to commit database");
+        }
         finally
         {
             transaction.Dispose();
diff --git a/Robust.Cdn/Jobs/MakeNewManifestVersionsAvailableJob.cs b/Robust.Cdn/Jobs/MakeNewManifestVersionsAvailableJob.cs
index 3463d82..c4b3635 100644
--- a/Robust.Cdn/Jobs/MakeNewManifestVersionsAvailableJob.cs
+++ b/Robust.Cdn/Jobs/MakeNewManifestVersionsAvailableJob.cs
@@ -5,6 +5,7 @@
 
 namespace Robust.Cdn.Jobs;
 
+[DisallowConcurrentExecution]
 public sealed class MakeNewManifestVersionsAvailableJob(
     ManifestDatabase database,
     ISchedulerFactory factory,