diff --git a/src/de/dhbwstuttgart/typeinference/unify/Unify.java b/src/de/dhbwstuttgart/typeinference/unify/Unify.java
index 318f46b8..96feeaf3 100755
--- a/src/de/dhbwstuttgart/typeinference/unify/Unify.java
+++ b/src/de/dhbwstuttgart/typeinference/unify/Unify.java
@@ -1387,7 +1387,7 @@ throws MatchException
                 	{
                 		ExtendsWildcardType exT1 = (ExtendsWildcardType)P.TA1;
                 		ExtendsWildcardType exT2 = (ExtendsWildcardType)P.TA2;
-                		if(exT1.get_ExtendsType() instanceof RefType && exT2.get_ExtendsType() instanceof RefType)
+                		//if(exT1.get_ExtendsType() instanceof RefType && exT2.get_ExtendsType() instanceof RefType) PL 15-01-30
                 		{
                 			TA1 = (RefType)exT1.get_ExtendsType();
                 			TA2 = (RefType)exT2.get_ExtendsType();
@@ -1397,7 +1397,7 @@ throws MatchException
                 	{
                 		SuperWildcardType suT1 = (SuperWildcardType)P.TA1;
                 		SuperWildcardType suT2 = (SuperWildcardType)P.TA2;
-                		if(suT1.get_SuperType() instanceof RefType && suT2.get_SuperType() instanceof RefType)
+                		//if(suT1.get_SuperType() instanceof RefType && suT2.get_SuperType() instanceof RefType) PL 15-01-30
                 		{
                 			TA1 = (RefType)suT1.get_SuperType();
                 			TA2 = (RefType)suT2.get_SuperType();