diff --git a/src/main/java/com/sk89q/worldedit/blocks/BlockType.java b/src/main/java/com/sk89q/worldedit/blocks/BlockType.java
index 2a31b5dbf..d93fe91a5 100644
--- a/src/main/java/com/sk89q/worldedit/blocks/BlockType.java
+++ b/src/main/java/com/sk89q/worldedit/blocks/BlockType.java
@@ -405,6 +405,8 @@ public enum BlockType {
         canPassThrough.add(BlockID.VINE);
         canPassThrough.add(BlockID.NETHER_WART);
         canPassThrough.add(BlockID.END_PORTAL);
+        canPassThrough.add(BlockID.TRIPWIRE_HOOK);
+        canPassThrough.add(BlockID.TRIPWIRE);
     }
 
     /**