diff --git a/AsbCloudInfrastructure/Services/Subsystems/SubsystemOperationTimeService.cs b/AsbCloudInfrastructure/Services/Subsystems/SubsystemOperationTimeService.cs
index beafaf35..0bb5acd6 100644
--- a/AsbCloudInfrastructure/Services/Subsystems/SubsystemOperationTimeService.cs
+++ b/AsbCloudInfrastructure/Services/Subsystems/SubsystemOperationTimeService.cs
@@ -182,7 +182,7 @@ namespace AsbCloudInfrastructure.Services.Subsystems
                     IdSubsystem = IdSubsystemAKB,
                     SubsystemName = "АПД",
                     UsedTimeHours = apdParts.Sum(part => part.UsedTimeHours),
-                    KUsage = apdParts.Sum(part => part.KUsage),
+                    KUsage = apdParts.Sum(part => part.SumDepthInterval) / GetDepthIntervalSubsystem(IdSubsystemAKB, depthInterval),
                     SumDepthInterval = apdParts.Sum(part => part.SumDepthInterval),
                     OperationCount = apdParts.Sum(part => part.OperationCount),
                 };