diff --git a/AlgebraicDataflowArchitectureModel/src/generators/CodeGeneratorFromDataFlowGraph.java b/AlgebraicDataflowArchitectureModel/src/generators/CodeGeneratorFromDataFlowGraph.java
index 2586162..96b422f 100644
--- a/AlgebraicDataflowArchitectureModel/src/generators/CodeGeneratorFromDataFlowGraph.java
+++ b/AlgebraicDataflowArchitectureModel/src/generators/CodeGeneratorFromDataFlowGraph.java
@@ -993,7 +993,7 @@
 													arg = filledPath.getPathParams().get(i - 1);
 												}
 												Term condition = new Term(DataConstraintModel.eq, new Expression[] {
-														new Parameter("self" + (i > 1 ? i : "")), 
+														new Parameter("self" + (i > 1 ? i : ""), DataConstraintModel.typeString), 
 														arg});
 												if (conditions == null) {
 													conditions = condition;