diff --git a/src/de/dhbwstuttgart/strucTypes/Construct.java b/src/de/dhbwstuttgart/strucTypes/Construct.java
index 37ef6c9a..95a8454c 100644
--- a/src/de/dhbwstuttgart/strucTypes/Construct.java
+++ b/src/de/dhbwstuttgart/strucTypes/Construct.java
@@ -88,19 +88,19 @@ public class Construct extends DefaultASTVisitor {
 
 		// For über alle FieldConstraints mit ClassType i
 		this.constraintsSet.getFieldConstraints().stream().filter(fc -> fc.getClassType().equals(i)).forEach(fc -> {
-			TypePlaceholder type = TypePlaceholder.fresh(i.getOffset());
+			TypePlaceholder type = TypePlaceholder.fresh(offset);
 			parameterInhTyterm.add(fc.getFieldType());
 			// TODO generics.add(new GenericTypeVar(s, bounds, offset,
 			// endOffset)); mit type
 			generics.add(new GenericTypeVar(new GenericTypeName(new GenericContext(name, null), type.getName()),
 					new ArrayList<>(), offset, offset));
-			Field field = new Field(fc.getFieldName(), type, Modifier.PUBLIC, i.getOffset());
+			Field field = new Field(fc.getFieldName(), type, Modifier.PUBLIC, offset);
 			fielddecl.add(field);
 		});
 
 		// For über alle MethodConstraints mit ClassType i
 		this.constraintsSet.getMethodConstraints().stream().filter(mc -> mc.getClassType().equals(i)).forEach(mc -> {
-			TypePlaceholder returnType = TypePlaceholder.fresh(i.getOffset());
+			TypePlaceholder returnType = TypePlaceholder.fresh(offset);
 			parameterInhTyterm.add(mc.getReturnType());
 			// TODO generics.add(new GenericTypeVar(s, bounds, offset,
 			// endOffset)); mit retrunType