diff --git a/HiderCore/src/de/steamwar/hullhider/Hull.java b/HiderCore/src/de/steamwar/hullhider/Hull.java
index 3c37ff26..081e47fe 100644
--- a/HiderCore/src/de/steamwar/hullhider/Hull.java
+++ b/HiderCore/src/de/steamwar/hullhider/Hull.java
@@ -34,6 +34,9 @@ import net.minecraft.core.SectionPos;
 import net.minecraft.network.protocol.game.ClientboundBlockUpdatePacket;
 import net.minecraft.network.protocol.game.ClientboundSectionBlocksUpdatePacket;
 import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.EmptyBlockGetter;
+import net.minecraft.world.level.block.DoorBlock;
+import net.minecraft.world.level.block.TrapDoorBlock;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.phys.shapes.VoxelShape;
 import org.bukkit.Bukkit;
@@ -129,13 +132,21 @@ public class Hull {
         return fullFacesByState[id];
     }
 
-    // The faces that hide what is behind them, as the client culls them
+    // The faces that hide what is behind them, mostly as the client culls them
     private int computeFullFaces(BlockState state) {
         // Hidden blocks are replaced by an occluding block, the same decision as the techhider's
         if (obfuscation.hidesBlock(state.getBlock()) || obfuscation.hidesBlockState(state)) return ALL_FACES;
-        if (!state.canOcclude()) return 0;
 
-        VoxelShape shape = state.getOcclusionShape();
+        VoxelShape shape;
+        if (state.canOcclude()) {
+            shape = state.getOcclusionShape();
+        } else if (state.getBlock() instanceof DoorBlock || state.getBlock() instanceof TrapDoorBlock) {
+            // Their panel covers a face, although the client does not cull the faces behind them
+            shape = state.getShape(EmptyBlockGetter.INSTANCE, BlockPos.ZERO);
+        } else {
+            return 0;
+        }
+
         int faces = 0;
         for (Direction direction : Direction.values()) {
             if (net.minecraft.world.level.block.Block.isFaceFull(shape, direction)) {