diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/special/SentryRoom.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/special/SentryRoom.java
index 5a837a727..1f8565d12 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/special/SentryRoom.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/special/SentryRoom.java
@@ -157,7 +157,7 @@ public class SentryRoom extends SpecialRoom {
 		sentry.pos = level.pointToCell(sentryPos);
 		sentry.room = new EmptyRoom();
 		sentry.room.set((Rect)this);
-		sentry.initialChargeDelay = dangerDist / 3f + 0.1f;
+		sentry.initialChargeDelay = sentry.curChargeDelay = dangerDist / 3f + 0.1f;
 		level.mobs.add( sentry );
 
 		Painter.set(level, treasurePos, Terrain.PEDESTAL);