diff --git a/src/Instruction.cpp b/src/Instruction.cpp
index c165288..7e3e8bb 100644
--- a/src/Instruction.cpp
+++ b/src/Instruction.cpp
@@ -157,9 +157,12 @@ opCodes Instruction::decode() {
           break;
       }
     }
+    break;
     default:
       return OP_ERROR;
   }
+
+  return OP_ERROR;
 }