diff --git a/src/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java b/src/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java
index 45d6f7e7d..6bd1829d9 100644
--- a/src/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java
+++ b/src/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java
@@ -777,11 +777,14 @@ public class BytecodeGenMethod implements StatementVisitor {
 					pos = checkCast.indexOf("<");
 				mv.visitTypeInsn(Opcodes.CHECKCAST,checkCast.substring(0,pos));
 			}
-			
+			if(isBinaryExp)
+				doUnboxing(getResolvedType(methodCall.getType()));
 		}
 		
-		if(isBinaryExp)
-			doUnboxing(getResolvedType(methodCall.getType()));
+		if(methodRefl == null) {
+			if(isBinaryExp)
+				doUnboxing(getResolvedType(methodCall.getType()));
+		}
 		
 	}