diff --git a/BinaryObjectScanner/BinaryObjectScanner.csproj b/BinaryObjectScanner/BinaryObjectScanner.csproj
index 28ec8db3..847b3cf3 100644
--- a/BinaryObjectScanner/BinaryObjectScanner.csproj
+++ b/BinaryObjectScanner/BinaryObjectScanner.csproj
@@ -10,8 +10,9 @@
     <LangVersion>latest</LangVersion>
     <Nullable>enable</Nullable>
     <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
-    <!-- <TreatWarningsAsErrors>true</TreatWarningsAsErrors> --> <!-- Can't be enabled because of external code -->
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <Version>3.1.6</Version>
+    <WarningsNotAsErrors>CS0162;CS0612</WarningsNotAsErrors>
   
     <!-- Package Properties -->
     <Authors>Matt Nadareski</Authors>
diff --git a/BinaryObjectScanner/Progress.cs b/BinaryObjectScanner/Progress.cs
index 80811e68..dd1e8a1b 100644
--- a/BinaryObjectScanner/Progress.cs
+++ b/BinaryObjectScanner/Progress.cs
@@ -23,7 +23,7 @@ namespace System
     public class Progress<T> : IProgress<T> where T : EventArgs
     {
         /// <summary>The synchronization context captured upon construction.  This will never be null.</summary>
-        private readonly SynchronizationContext _synchronizationContext;
+        private readonly SynchronizationContext? _synchronizationContext;
         /// <summary>The handler specified to the constructor.  This may be null.</summary>
         private readonly Action<T>? _handler;
         /// <summary>A cached delegate used to post invocation to the synchronization context.</summary>
@@ -73,7 +73,7 @@ namespace System
             {
                 // Post the processing to the sync context.
                 // (If T is a value type, it will get boxed here.)
-                _synchronizationContext.Post(_invokeHandlers, value);
+                _synchronizationContext?.Post(_invokeHandlers, value);
             }
         }