diff --git a/interop/logic/utils/channel.h b/interop/logic/utils/channel.h
index 26eef81d9..a452f072d 100644
--- a/interop/logic/utils/channel.h
+++ b/interop/logic/utils/channel.h
@@ -114,6 +114,7 @@ namespace illumina { namespace interop { namespace logic { namespace utils
             std::swap(expected[0], expected[1]);
             return expected;
         }
+        if(norm == "1,2") return expected;
         INTEROP_THROW( model::invalid_channel_exception, "Invalid channel names: " << norm);
     }