diff --git a/AsbCloudInfrastructure/Services/WellCompositeOperationService.cs b/AsbCloudInfrastructure/Services/WellCompositeOperationService.cs
index cc944835..53eedbaa 100644
--- a/AsbCloudInfrastructure/Services/WellCompositeOperationService.cs
+++ b/AsbCloudInfrastructure/Services/WellCompositeOperationService.cs
@@ -221,8 +221,8 @@ public class WellCompositeOperationService : IWellCompositeOperationService
                 compositeOperation.DepthStart = compositeDepth;
             compositeDepth = compositeOperation.DepthStart;
 
-            compositeDay += compositeOperation.DurationHours;
             compositeOperation.Day = compositeDay / 24;
+            compositeDay += compositeOperation.DurationHours;
 
             compositeOperations.Add(compositeOperation);
         }