diff --git a/AsbCloudInfrastructure/Services/Subsystems/SubsystemOperationTimeService.cs b/AsbCloudInfrastructure/Services/Subsystems/SubsystemOperationTimeService.cs
index a1abde3a..f3b079eb 100644
--- a/AsbCloudInfrastructure/Services/Subsystems/SubsystemOperationTimeService.cs
+++ b/AsbCloudInfrastructure/Services/Subsystems/SubsystemOperationTimeService.cs
@@ -207,7 +207,7 @@ namespace AsbCloudInfrastructure.Services.Subsystems
         {
             var depthIntervalSubsystem = 0d;
             //AKB - MSE
-            if (idSubsystem == IdSubsystemAKB | idSubsystem == IdSubsystemMSE)
+            if (idSubsystem == IdSubsystemAKB || idSubsystem == IdSubsystemMSE)
             {
                 depthIntervalSubsystem = depthInterval.depthIntervalRotor + depthInterval.depthIntervalSlide;
             }