diff --git a/common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/parser/lang/Item.java b/common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/parser/lang/Item.java
index 10065bfc9..27947c291 100644
--- a/common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/parser/lang/Item.java
+++ b/common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/parser/lang/Item.java
@@ -13,5 +13,13 @@ import com.dfsek.terra.addons.terrascript.tokenizer.Position;
 public interface Item<T> {
     T apply(ImplementationArguments implementationArguments, Scope scope);
     
+    default double applyDouble(ImplementationArguments implementationArguments, Scope scope) {
+        throw new UnsupportedOperationException("Cannot apply " + this + " as double");
+    }
+    
+    default boolean applyBoolean(ImplementationArguments implementationArguments, Scope scope) {
+        throw new UnsupportedOperationException("Cannot apply " + this + " as double");
+    }
+    
     Position getPosition();
 }