diff --git a/src/FilterLists.Services/Extensions/CollectionExtensions.cs b/src/FilterLists.Services/Extensions/CollectionExtensions.cs
index 2c65a12c0..c22eb29d0 100644
--- a/src/FilterLists.Services/Extensions/CollectionExtensions.cs
+++ b/src/FilterLists.Services/Extensions/CollectionExtensions.cs
@@ -9,5 +9,15 @@ public static void AddIfNotNullOrEmpty(this ICollection<string> set, string item
             if (!string.IsNullOrEmpty(item))
                 set.Add(item);
         }
+
+        //https://stackoverflow.com/a/26360010/2343739
+        public static void AddRange<T>(this ICollection<T> destination, IEnumerable<T> source)
+        {
+            if (destination is List<T> list)
+                list.AddRange(source);
+            else
+                foreach (var item in source)
+                    destination.Add(item);
+        }
     }
 }
\ No newline at end of file
diff --git a/src/FilterLists.Services/Snapshot/Batch.cs b/src/FilterLists.Services/Snapshot/Batch.cs
index c53467780..deb710de7 100644
--- a/src/FilterLists.Services/Snapshot/Batch.cs
+++ b/src/FilterLists.Services/Snapshot/Batch.cs
@@ -4,6 +4,7 @@
 using FilterLists.Data;
 using FilterLists.Data.Entities;
 using FilterLists.Data.Entities.Junctions;
+using FilterLists.Services.Extensions;
 
 namespace FilterLists.Services.Snapshot
 {
@@ -38,7 +39,7 @@ private IQueryable<Rule> GetOrCreateRules()
         private void CreateSnapRules(IQueryable<Rule> rules)
         {
             var snapRules = rules.Select(r => new SnapshotRule {Rule = r}).ToList();
-            snapEntity.SnapshotRules = snapRules;
+            snapEntity.SnapshotRules.AddRange(snapRules);
         }
     }
 }
\ No newline at end of file
diff --git a/src/FilterLists.Services/Snapshot/Snapshot.cs b/src/FilterLists.Services/Snapshot/Snapshot.cs
index f681e6c2a..3da8a886a 100644
--- a/src/FilterLists.Services/Snapshot/Snapshot.cs
+++ b/src/FilterLists.Services/Snapshot/Snapshot.cs
@@ -7,6 +7,7 @@
 using System.Threading;
 using System.Threading.Tasks;
 using FilterLists.Data;
+using FilterLists.Data.Entities.Junctions;
 using FilterLists.Services.Extensions;
 using FilterLists.Services.Snapshot.Models;
 using JetBrains.Annotations;
@@ -39,7 +40,7 @@ public Snapshot(BatchSizeService batchSizeService, FilterListsDbContext dbContex
             this.dbContext = dbContext;
             List = list;
             ListUrl = list.ViewUrl;
-            SnapEntity = new Data.Entities.Snapshot {FilterListId = list.Id};
+            SnapEntity = new Data.Entities.Snapshot {FilterListId = list.Id, SnapshotRules = new List<SnapshotRule>()};
             this.uaString = uaString;
             telemetryClient = new TelemetryClient();
         }