diff --git a/src/de/dhbwstuttgart/typinference/unify/model/ExtendsType.java b/src/de/dhbwstuttgart/typinference/unify/model/ExtendsType.java
index d648c249..e9dbc7c0 100644
--- a/src/de/dhbwstuttgart/typinference/unify/model/ExtendsType.java
+++ b/src/de/dhbwstuttgart/typinference/unify/model/ExtendsType.java
@@ -8,7 +8,7 @@ public final class ExtendsType extends Type {
 	private Type extendedType;
 	
 	public ExtendsType(Type extendedType) {
-		super("? extends " + extendedType.getTypeParams(), extendedType.getTypeParams());
+		super("? extends " + extendedType.getName(), extendedType.getTypeParams());
 		this.extendedType = extendedType;
 	}
 	
diff --git a/src/de/dhbwstuttgart/typinference/unify/model/TypeParams.java b/src/de/dhbwstuttgart/typinference/unify/model/TypeParams.java
index c6e3ee00..fe8dff83 100644
--- a/src/de/dhbwstuttgart/typinference/unify/model/TypeParams.java
+++ b/src/de/dhbwstuttgart/typinference/unify/model/TypeParams.java
@@ -61,8 +61,14 @@ public final class TypeParams implements Iterable<Type>{
 		
 		TypeParams other = (TypeParams) obj;
 		
-		// TODO
-		return other.size() == this.size();
+		if(other.size() != this.size())
+			return false;
+			
+		for(int i = 0; i < this.size(); i++)
+			if(!(this.get(i).equals(other.get(i))))
+				return false;
+		
+		return true;
 	}
 }