diff --git a/neuralnetworks/1.2/vts/functional/ValidateModel.cpp b/neuralnetworks/1.2/vts/functional/ValidateModel.cpp
index 2988211..a0b6d9a 100644
--- a/neuralnetworks/1.2/vts/functional/ValidateModel.cpp
+++ b/neuralnetworks/1.2/vts/functional/ValidateModel.cpp
@@ -508,9 +508,10 @@
                 }
             }
         }
-        // BIDIRECTIONAL_SEQUENCE_RNN can have either on or two outputs
-        // depending on a mergeOutputs parameter
-        if (operation.type == OperationType::BIDIRECTIONAL_SEQUENCE_RNN) {
+        // BIDIRECTIONAL_SEQUENCE_LSTM and BIDIRECTIONAL_SEQUENCE_RNN can have either one or two
+        // outputs depending on their mergeOutputs parameter.
+        if (operation.type == OperationType::BIDIRECTIONAL_SEQUENCE_LSTM ||
+            operation.type == OperationType::BIDIRECTIONAL_SEQUENCE_RNN) {
             for (const size_t outOprand : operation.outputs) {
                 if (operand == outOprand) {
                     return true;