diff --git a/lib/playerPlugins/placeBlock.js b/lib/playerPlugins/placeBlock.js
index a545b54..f309ae6 100644
--- a/lib/playerPlugins/placeBlock.js
+++ b/lib/playerPlugins/placeBlock.js
@@ -5,7 +5,7 @@ module.exports=inject;
 function inject(serv,player)
 {
   player._client.on("block_place",function(packet){
-    if(packet.direction==-1) return;
+    if(packet.direction==-1 || packet.heldItem.blockId==-1) return;
     var referencePosition=new vec3(packet.location.x,packet.location.y,packet.location.z);
     var directionVector=directionToVector[packet.direction];
     var placedPosition=referencePosition.plus(directionVector);