diff --git a/src/Managing.Infrastructure.Database/PostgreSql/AgentSummaryRepository.cs b/src/Managing.Infrastructure.Database/PostgreSql/AgentSummaryRepository.cs
index 160999bb..d2798de1 100644
--- a/src/Managing.Infrastructure.Database/PostgreSql/AgentSummaryRepository.cs
+++ b/src/Managing.Infrastructure.Database/PostgreSql/AgentSummaryRepository.cs
@@ -276,7 +276,8 @@ public class AgentSummaryRepository : IAgentSummaryRepository
         entity.TotalVolume = domain.TotalVolume;
         entity.TotalBalance = domain.TotalBalance;
         entity.TotalFees = domain.TotalFees;
-        entity.BacktestCount = domain.BacktestCount;
+        // BacktestCount is NOT updated here - it's managed independently via IncrementBacktestCountAsync
+        // This prevents other update operations from overwriting the BacktestCount
     }
 
     private static AgentSummary MapToDomain(AgentSummaryEntity entity)