diff --git a/IllusionInjector/Properties/AssemblyInfo.cs b/IllusionInjector/Properties/AssemblyInfo.cs
index 1f49fac3..e967a81a 100644
--- a/IllusionInjector/Properties/AssemblyInfo.cs
+++ b/IllusionInjector/Properties/AssemblyInfo.cs
@@ -22,6 +22,7 @@ using System.Runtime.InteropServices;
 
 // The following GUID is for the ID of the typelib if this project is exposed to COM
 [assembly: Guid("400a540a-d21f-4609-966b-206059b6e73b")]
+[assembly: InternalsVisibleTo("IllusionPlugin")]
 
 // Version information for an assembly consists of the following four values:
 //
diff --git a/IllusionPlugin/Properties/AssemblyInfo.cs b/IllusionPlugin/Properties/AssemblyInfo.cs
index 3380ee3e..73d2f6b4 100644
--- a/IllusionPlugin/Properties/AssemblyInfo.cs
+++ b/IllusionPlugin/Properties/AssemblyInfo.cs
@@ -21,6 +21,7 @@ using System.Runtime.InteropServices;
 
 // The following GUID is for the ID of the typelib if this project is exposed to COM
 [assembly: Guid("e8cea89d-6c2f-4729-94b3-f355f7db19e5")]
+[assembly: InternalsVisibleTo("IllusionInjector")]
 
 // Version information for an assembly consists of the following four values:
 //