diff --git a/de4dot.cui/Program.cs b/de4dot.cui/Program.cs
index 096b3122..9a772e25 100644
--- a/de4dot.cui/Program.cs
+++ b/de4dot.cui/Program.cs
@@ -31,7 +31,7 @@ namespace de4dot.cui {
 		}
 	}
 
-	public class Program {
+	class Program {
 		static IList<IDeobfuscatorInfo> deobfuscatorInfos = createDeobfuscatorInfos();
 
 		static IList<IDeobfuscatorInfo> createDeobfuscatorInfos() {
diff --git a/de4dot.cui/Properties/AssemblyInfo.cs b/de4dot.cui/Properties/AssemblyInfo.cs
index a1421cdb..5db56cd0 100644
--- a/de4dot.cui/Properties/AssemblyInfo.cs
+++ b/de4dot.cui/Properties/AssemblyInfo.cs
@@ -18,6 +18,7 @@
 */
 
 using System.Reflection;
+using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 [assembly: AssemblyTitle("de4dot.cui")]
@@ -31,3 +32,5 @@ using System.Runtime.InteropServices;
 [assembly: ComVisible(false)]
 [assembly: AssemblyVersion("1.7.4.3405")]
 [assembly: AssemblyFileVersion("1.7.4.3405")]
+[assembly: InternalsVisibleTo("de4dot, PublicKey=00240000048000009400000006020000002400005253413100040000010001007b5ffd8f48f1397cd4e21c9e30a5cb36b2c013d6f20688c90e3f0c2d24e6d67cbeea7a6ec3faf9ba081f3d6b6fbe389677adbb8337d3a16187cd13b16a34008a22b89089da41c4a08fd35615c77de0827adcca6d49b08c0ed3e0404a1c44b7d083be614acb1779e4fb275e14427f3687f375d03f3b465c8a6cdeebd1f8c7f4ea")]
+[assembly: InternalsVisibleTo("de4dot-x64, PublicKey=00240000048000009400000006020000002400005253413100040000010001007b5ffd8f48f1397cd4e21c9e30a5cb36b2c013d6f20688c90e3f0c2d24e6d67cbeea7a6ec3faf9ba081f3d6b6fbe389677adbb8337d3a16187cd13b16a34008a22b89089da41c4a08fd35615c77de0827adcca6d49b08c0ed3e0404a1c44b7d083be614acb1779e4fb275e14427f3687f375d03f3b465c8a6cdeebd1f8c7f4ea")]