diff --git a/AlgebraicDataflowArchitectureModel/src/models/algebra/Constant.java b/AlgebraicDataflowArchitectureModel/src/models/algebra/Constant.java
index cc1ffee..5f533a7 100644
--- a/AlgebraicDataflowArchitectureModel/src/models/algebra/Constant.java
+++ b/AlgebraicDataflowArchitectureModel/src/models/algebra/Constant.java
@@ -36,7 +36,7 @@
 	
 	public String toImplementation(String[] sideEffects) {
 		if (symbol.isImplGenerative()) {
-			String exp = symbol.generate(getType(), new String[] {}, new String[] {}, sideEffects);
+			String exp = symbol.generate(getType(), new Type[] {}, new String[] {}, new String[] {}, sideEffects);
 			return exp;
 		}
 		return symbol.getImplName();