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 3b4b527df..36f6fef2b 100644
--- a/src/main/java/dan200/computercraft/shared/turtle/core/TurtlePlaceCommand.java
+++ b/src/main/java/dan200/computercraft/shared/turtle/core/TurtlePlaceCommand.java
@@ -228,7 +228,7 @@ public class TurtlePlaceCommand implements ITurtleCommand {
             cancelResult = hitEntity.interactAt(turtlePlayer, hitPos, Hand.MAIN_HAND);
         }
 
-        if (cancelResult.isAccepted()) {
+        if (cancelResult != null && cancelResult.isAccepted()) {
             placed = true;
         } else {
             // See EntityPlayer.interactOn