diff --git a/AlgebraicDataflowArchitectureModel/src/code/ast/ThisExpression.java b/AlgebraicDataflowArchitectureModel/src/code/ast/ThisExpression.java
index aad8ee8..5ef621e 100644
--- a/AlgebraicDataflowArchitectureModel/src/code/ast/ThisExpression.java
+++ b/AlgebraicDataflowArchitectureModel/src/code/ast/ThisExpression.java
@@ -1,4 +1,8 @@
 package code.ast;
 
 public class ThisExpression extends Expression {
+	@Override
+	public String toString() {
+		return "this";
+	}
 }