1 files changed, 5 insertions, 0 deletions
diff --git a/src/main/java/org/zwobble/couscous/values/UnitValue.java b/src/main/java/org/zwobble/couscous/values/UnitValue.java
index 1cf9dc7..45178dd 100644
--- a/src/main/java/org/zwobble/couscous/values/UnitValue.java
+++ b/src/main/java/org/zwobble/couscous/values/UnitValue.java
@@ -8,4 +8,9 @@ public class UnitValue implements InterpreterValue {
     
     private UnitValue() {
     }
+
+    @Override
+    public InterpreterValue callMethod(String methodName) {
+        throw new UnsupportedOperationException();
+    }
 }