diff --git a/src/DotNext.Tests/Net/Cluster/Consensus/Raft/MemoryBasedStateMachineTests.cs b/src/DotNext.Tests/Net/Cluster/Consensus/Raft/MemoryBasedStateMachineTests.cs
index e788f5932..79cfbf283 100644
--- a/src/DotNext.Tests/Net/Cluster/Consensus/Raft/MemoryBasedStateMachineTests.cs
+++ b/src/DotNext.Tests/Net/Cluster/Consensus/Raft/MemoryBasedStateMachineTests.cs
@@ -728,8 +728,8 @@ public static async Task BackgroundCompaction(bool useCaching)
             await state.ForceCompactionAsync(1L, CancellationToken.None);
             checker = static (readResult, snapshotIndex, token) =>
             {
-                Equal(3, readResult.Count);
-                Equal(4, snapshotIndex);
+                Equal(4, readResult.Count);
+                Equal(3, snapshotIndex);
                 True(readResult[0].IsSnapshot);
                 False(readResult[1].IsSnapshot);
                 False(readResult[2].IsSnapshot);
@@ -738,8 +738,8 @@ public static async Task BackgroundCompaction(bool useCaching)
             await state.As<IRaftLog>().ReadAsync(new LogEntryConsumer(checker), 1, 6, CancellationToken.None);
             checker = static (readResult, snapshotIndex, token) =>
             {
-                Equal(6, readResult.Count);
-                Equal(4, snapshotIndex);
+                Equal(7, readResult.Count);
+                Equal(3, snapshotIndex);
                 True(readResult[0].IsSnapshot);
                 False(readResult[1].IsSnapshot);
                 False(readResult[2].IsSnapshot);
@@ -753,7 +753,7 @@ public static async Task BackgroundCompaction(bool useCaching)
         {
             checker = static (readResult, snapshotIndex, token) =>
             {
-                Equal(3, readResult.Count);
+                Equal(4, readResult.Count);
                 NotNull(snapshotIndex);
                 return default;
             };
@@ -761,8 +761,8 @@ public static async Task BackgroundCompaction(bool useCaching)
             Equal(0L, state.Value);
             checker = static (readResult, snapshotIndex, token) =>
             {
-                Equal(6, readResult.Count);
-                Equal(4, snapshotIndex);
+                Equal(7, readResult.Count);
+                Equal(3, snapshotIndex);
                 True(readResult[0].IsSnapshot);
                 False(readResult[1].IsSnapshot);
                 False(readResult[2].IsSnapshot);
diff --git a/src/cluster/DotNext.Net.Cluster/Net/Cluster/Consensus/Raft/MemoryBasedStateMachine.cs b/src/cluster/DotNext.Net.Cluster/Net/Cluster/Consensus/Raft/MemoryBasedStateMachine.cs
index 69b08f1b9..3c4f6bac5 100644
--- a/src/cluster/DotNext.Net.Cluster/Net/Cluster/Consensus/Raft/MemoryBasedStateMachine.cs
+++ b/src/cluster/DotNext.Net.Cluster/Net/Cluster/Consensus/Raft/MemoryBasedStateMachine.cs
@@ -684,11 +684,10 @@ private async ValueTask ForceBackgroundCompactionAsync(long count, CancellationT
 
         DeletePartitions(removedHead);
 
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         long ComputeUpperBoundIndex(ref long count)
         {
             count = Math.Min(count, GetBackgroundCompactionCount(out var snapshotIndex));
-            return checked((recordsPerPartition * count) + snapshotIndex);
+            return count * recordsPerPartition + snapshotIndex - Unsafe.BitCast<bool, byte>(snapshotIndex is 0L);
         }
     }