diff --git a/src/dotnet-user-secrets/dotnet-user-secrets.csproj b/src/dotnet-user-secrets/dotnet-user-secrets.csproj
index 15ce1c1d5a..133f303006 100644
--- a/src/dotnet-user-secrets/dotnet-user-secrets.csproj
+++ b/src/dotnet-user-secrets/dotnet-user-secrets.csproj
@@ -24,7 +24,7 @@
 
   <ItemGroup>
     <!-- 3rd party binary -->
-    <SignedPackageFile Include="$(PublishDir)Newtonsoft.Json.dll" PackagePath="tools/$(TargetFramework)/any/Newtonsoft.Json.dll" Certificate="$(AssemblySigningCertName)" />
+    <SignedPackageFile Include="$(PublishDir)Newtonsoft.Json.dll" PackagePath="tools/$(TargetFramework)/any/Newtonsoft.Json.dll" Certificate="$(AssemblySigning3rdPartyCertName)" />
 
     <!-- Exclude files that should already be signed -->
     <ExcludePackageFileFromSigning Include="$(PublishDir)Microsoft.Extensions.Configuration.dll" PackagePath="tools/$(TargetFramework)/any/Microsoft.Extensions.Configuration.dll" />