diff --git a/HLLib/SGAFile.h b/HLLib/SGAFile.h
index 9532dda..65b05c5 100644
--- a/HLLib/SGAFile.h
+++ b/HLLib/SGAFile.h
@@ -249,6 +249,12 @@ namespace HLLib
 		class CSGADirectory : public CSGASpecializedDirectory<TSGAHeader, TSGADirectoryHeader, TSGASection, TSGAFolder, TSGAFile>
 		{
 		public:
+			typedef typename CSGASpecializedDirectory<TSGAHeader, TSGADirectoryHeader, TSGASection, TSGAFolder, TSGAFile>::SGAHeader SGAHeader;
+			typedef typename CSGASpecializedDirectory<TSGAHeader, TSGADirectoryHeader, TSGASection, TSGAFolder, TSGAFile>::SGADirectoryHeader SGADirectoryHeader;
+			typedef typename CSGASpecializedDirectory<TSGAHeader, TSGADirectoryHeader, TSGASection, TSGAFolder, TSGAFile>::SGASection SGASection;
+			typedef typename CSGASpecializedDirectory<TSGAHeader, TSGADirectoryHeader, TSGASection, TSGAFolder, TSGAFile>::SGAFolder SGAFolder;
+			typedef typename CSGASpecializedDirectory<TSGAHeader, TSGADirectoryHeader, TSGASection, TSGAFolder, TSGAFile>::SGAFile SGAFile;
+
 			CSGADirectory(CSGAFile& File);
 			virtual ~CSGADirectory();
 
diff --git a/lib/HLLib.h b/lib/HLLib.h
index a706a8d..1d15399 100644
--- a/lib/HLLib.h
+++ b/lib/HLLib.h
@@ -2117,6 +2117,12 @@ class HLLIB_API CSGAFile : public CPackage
 		class CSGADirectory : public CSGASpecializedDirectory<TSGAHeader, TSGADirectoryHeader, TSGASection, TSGAFolder, TSGAFile>
 		{
 		public:
+			typedef typename CSGASpecializedDirectory<TSGAHeader, TSGADirectoryHeader, TSGASection, TSGAFolder, TSGAFile>::SGAHeader SGAHeader;
+			typedef typename CSGASpecializedDirectory<TSGAHeader, TSGADirectoryHeader, TSGASection, TSGAFolder, TSGAFile>::SGADirectoryHeader SGADirectoryHeader;
+			typedef typename CSGASpecializedDirectory<TSGAHeader, TSGADirectoryHeader, TSGASection, TSGAFolder, TSGAFile>::SGASection SGASection;
+			typedef typename CSGASpecializedDirectory<TSGAHeader, TSGADirectoryHeader, TSGASection, TSGAFolder, TSGAFile>::SGAFolder SGAFolder;
+			typedef typename CSGASpecializedDirectory<TSGAHeader, TSGADirectoryHeader, TSGASection, TSGAFolder, TSGAFile>::SGAFile SGAFile;
+
 			CSGADirectory(CSGAFile& File);
 			virtual ~CSGADirectory();