diff --git a/src/backends/backendsCommon/LayerSupportBase.cpp b/src/backends/backendsCommon/LayerSupportBase.cpp
index c3c8421..c55f51d 100644
--- a/src/backends/backendsCommon/LayerSupportBase.cpp
+++ b/src/backends/backendsCommon/LayerSupportBase.cpp
@@ -447,6 +447,19 @@
     return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
 }
 
+bool LayerSupportBase::IsQLstmSupported(const TensorInfo& /*input*/,
+                                        const TensorInfo& /*previousOutputIn*/,
+                                        const TensorInfo& /*previousCellStateIn*/,
+                                        const TensorInfo& /*outputStateOut*/,
+                                        const TensorInfo& /*cellStateOut*/,
+                                        const TensorInfo& /*output*/,
+                                        const QLstmDescriptor& /*descriptor*/,
+                                        const LstmInputParamsInfo& /*paramsInfo*/,
+                                        Optional<std::string&> reasonIfUnsupported) const
+{
+    return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
+}
+
 bool LayerSupportBase::IsQuantizedLstmSupported(const TensorInfo& /*input*/,
                                                 const TensorInfo& /*previousCellStateIn*/,
                                                 const TensorInfo& /*previousOutputIn*/,