diff --git a/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/Section.java b/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/Section.java
index a4dff0125..0bb81899a 100644
--- a/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/Section.java
+++ b/src/main/java/club/joylink/rtss/simulation/cbtc/data/map/Section.java
@@ -871,7 +871,10 @@ public class Section extends DelayUnlockDevice {
             boolean leftSectionNctOccupied = leftSection.isNctOccupied() && leftSection.getParent().equals(this.parent);
             Section rightSection = logic.getRightSection();
             boolean rightSectionNctOccupied = rightSection.isNctOccupied() && rightSection.getParent().equals(this.parent);
-            logic.setNctOccupied(leftSectionNctOccupied || rightSectionNctOccupied);
+            if (leftSectionNctOccupied || rightSectionNctOccupied) {
+                logic.setNctOccupied(true);
+                setNctOccupied(true);
+            }
         });
     }