diff --git a/src/Microsoft.DotNet.ProjectModel/Utilities/FrameworksExtensions.cs b/src/Microsoft.DotNet.ProjectModel/Utilities/FrameworksExtensions.cs
index 11f85b6b3..9500b0486 100644
--- a/src/Microsoft.DotNet.ProjectModel/Utilities/FrameworksExtensions.cs
+++ b/src/Microsoft.DotNet.ProjectModel/Utilities/FrameworksExtensions.cs
@@ -57,7 +57,7 @@ namespace NuGet.Frameworks
             return name + "-" + frameworkName.Profile;
         }
         
-        public static bool IsPackageBased(this NuGetFramework self)
+        internal static bool IsPackageBased(this NuGetFramework self)
         {
             return self.IsPackageBased ||
                     (self.Framework == FrameworkConstants.FrameworkIdentifiers.NetCore &&