diff --git a/src/dotnet/Azure.ClientSdk.Analyzers/Azure.ClientSdk.Analyzers/ClientAnalyzerBase.cs b/src/dotnet/Azure.ClientSdk.Analyzers/Azure.ClientSdk.Analyzers/ClientAnalyzerBase.cs
index 64a24b19211..ecbd156bf51 100644
--- a/src/dotnet/Azure.ClientSdk.Analyzers/Azure.ClientSdk.Analyzers/ClientAnalyzerBase.cs
+++ b/src/dotnet/Azure.ClientSdk.Analyzers/Azure.ClientSdk.Analyzers/ClientAnalyzerBase.cs
@@ -45,7 +45,7 @@ public virtual bool Equals(IParameterSymbol x, IParameterSymbol y)
                 return x.Name.Equals(y.Name) && TypeSymbolEquals(x.Type, y.Type) && x.IsOptional == y.IsOptional;
             }
 
-            protected bool TypeSymbolEquals(ITypeSymbol x, ITypeSymbol y)
+            protected virtual bool TypeSymbolEquals(ITypeSymbol x, ITypeSymbol y)
             {
                 switch (x)
                 {