diff --git a/Source/GenerateSharp/Swhere.Core/SwhereManager.cs b/Source/GenerateSharp/Swhere.Core/SwhereManager.cs
index ad04e0a3..de5042f4 100644
--- a/Source/GenerateSharp/Swhere.Core/SwhereManager.cs
+++ b/Source/GenerateSharp/Swhere.Core/SwhereManager.cs
@@ -187,12 +187,12 @@ private static async Task DiscoverGCCAsync(LocalUserConfig userConfig)
 		var cppCompilerPath = await WhereIsUtilities.FindExecutableAsync("g++");
 
 		var gccSDK = userConfig.EnsureSDK("GCC");
-		gccSDK.SourceDirectories.Clear();
+		gccSDK.SourceDirectories = new List<Path>();
 		gccSDK.SetProperties(
 			new Dictionary<string, string>()
 			{
-					{ "CCompiler", cCompilerPath.ToString() },
-					{ "CppCompiler", cppCompilerPath.ToString() },
+				{ "CCompiler", cCompilerPath.ToString() },
+				{ "CppCompiler", cppCompilerPath.ToString() },
 			});
 	}
 
@@ -204,13 +204,13 @@ private static async Task DiscoverClangAsync(LocalUserConfig userConfig)
 		var archiverPath = await WhereIsUtilities.FindExecutableAsync("ar");
 
 		var clangSDK = userConfig.EnsureSDK("Clang");
-		clangSDK.SourceDirectories.Clear();
+		clangSDK.SourceDirectories = new List<Path>();
 		clangSDK.SetProperties(
 			new Dictionary<string, string>()
 			{
-					{ "CCompiler", cCompilerPath.ToString() },
-					{ "CppCompiler", cppCompilerPath.ToString() },
-					{ "Archiver", archiverPath.ToString() },
+				{ "CCompiler", cCompilerPath.ToString() },
+				{ "CppCompiler", cppCompilerPath.ToString() },
+				{ "Archiver", archiverPath.ToString() },
 			});
 	}
 }
\ No newline at end of file
diff --git a/Source/GenerateSharp/Utilities/LocalUserConfig/SDKConfig.cs b/Source/GenerateSharp/Utilities/LocalUserConfig/SDKConfig.cs
index 71a38510..8b95cc77 100644
--- a/Source/GenerateSharp/Utilities/LocalUserConfig/SDKConfig.cs
+++ b/Source/GenerateSharp/Utilities/LocalUserConfig/SDKConfig.cs
@@ -76,7 +76,7 @@ public IList<Path> SourceDirectories
 			}
 			else
 			{
-				throw new InvalidOperationException("No SDKs.");
+				throw new InvalidOperationException("No SourceDirectories.");
 			}
 		}
 		set