diff --git a/source2/IL2CPU/Cosmos.IL2CPU/ILOpCodes/OpField.cs b/source2/IL2CPU/Cosmos.IL2CPU/ILOpCodes/OpField.cs
index 2de8a0412..f7476398f 100644
--- a/source2/IL2CPU/Cosmos.IL2CPU/ILOpCodes/OpField.cs
+++ b/source2/IL2CPU/Cosmos.IL2CPU/ILOpCodes/OpField.cs
@@ -174,7 +174,8 @@ namespace Cosmos.IL2CPU.ILOpCodes {
           {
             return;
           }
-          throw new Exception("Wrong Poptype encountered!");
+          throw new Exception("Wrong Poptype encountered! (Type = " + StackPopTypes[0].FullName + ", expected = " + expectedType.FullName + ")");
+          // throw new Exception("Wrong Poptype encountered!");
         case Code.Stsfld:
           if (StackPopTypes[0] == null)
           {
diff --git a/source2/IL2CPU/Cosmos.IL2CPU/ILOpCodes/OpType.cs b/source2/IL2CPU/Cosmos.IL2CPU/ILOpCodes/OpType.cs
index 5be8dbeb6..a02127d5e 100644
--- a/source2/IL2CPU/Cosmos.IL2CPU/ILOpCodes/OpType.cs
+++ b/source2/IL2CPU/Cosmos.IL2CPU/ILOpCodes/OpType.cs
@@ -105,7 +105,7 @@ namespace Cosmos.IL2CPU.ILOpCodes {
           return;
         case Code.Isinst:
           StackPopTypes[0] = typeof(object);
-          StackPushTypes[0] = typeof(bool);
+          StackPushTypes[0] = Value;
           return;
         case Code.Castclass:
           if (Value.IsGenericType &&