diff --git a/src/main/java/dan200/computercraft/shared/turtle/core/TurtlePlaceCommand.java b/src/main/java/dan200/computercraft/shared/turtle/core/TurtlePlaceCommand.java
index a400a2b50..b47a17a66 100644
--- a/src/main/java/dan200/computercraft/shared/turtle/core/TurtlePlaceCommand.java
+++ b/src/main/java/dan200/computercraft/shared/turtle/core/TurtlePlaceCommand.java
@@ -246,7 +246,7 @@ public class TurtlePlaceCommand implements ITurtleCommand
         {
             // See EntityPlayer.interactOn
             cancelResult = ForgeHooks.onInteractEntity( turtlePlayer, hitEntity, Hand.MAIN_HAND );
-            if( cancelResult.isSuccessOrConsume() )
+            if( cancelResult != null && cancelResult.isSuccessOrConsume() )
             {
                 placed = true;
             }