diff --git a/JGE/src/zipFS/zfsystem.cpp b/JGE/src/zipFS/zfsystem.cpp
index bd313d956..cb397ea1c 100644
--- a/JGE/src/zipFS/zfsystem.cpp
+++ b/JGE/src/zipFS/zfsystem.cpp
@@ -159,9 +159,7 @@ void filesystem::unuse(izfstream & File)
 
     if (!File.Zipped())
     {
-        std::streambuf * buffer = File.rdbuf(NULL);
-        if (buffer)
-            delete(buffer);
+        delete(File.rdbuf(NULL));
     }
     else
     {
@@ -188,7 +186,11 @@ void filesystem::Open(izfstream & File, const char * Filename)
 		FileBuf->open(FullPath.c_str(), ios::binary | ios::in);
 
 		if (FileBuf->is_open()) {
+#ifdef USE_ZBUFFER_POOL 
 			File.rdbuf(FileBuf);
+#else
+            delete File.rdbuf(FileBuf);
+#endif
 			File.clear(ios::goodbit);
 			File.m_FilePath = Filename;
 			File.m_FullFilePath = FullPath;
@@ -233,12 +235,27 @@ void filesystem::Open(izfstream & File, const char * Filename)
 			if (DataPos != streamoff(-1)) {
                 string zipName = m_BasePath + CurrentZipName;
 				// Open the file at the right position
+
+#ifdef USE_ZBUFFER_POOL 
                 zbuffer * buffer = getValidBuffer(zipName, Filename,  streamoff(DataPos), streamoff(FileInfo.m_CompSize));
 
-				if (buffer) {
+				if (!buffer) 
+                {
+                    File.setstate(ios::badbit);
+                } 
+                else
+                {
                     File.rdbuf(buffer);
-                    File.SetCompMethod(FileInfo.m_CompMethod);
-
+                    File._SetCompMethod(FileInfo.m_CompMethod);
+#else
+                ((izstream &) File).open(
+                    zipName.c_str(),
+                    streamoff(DataPos),
+                    streamoff(FileInfo.m_CompSize),
+                    FileInfo.m_CompMethod
+                    );
+                if (File) {
+#endif
 					File.m_FilePath = Filename;
 					File.m_FullFilePath = FullPath;
 					File.m_Zipped = true;
@@ -246,10 +263,6 @@ void filesystem::Open(izfstream & File, const char * Filename)
                     File.m_CompSize = FileInfo.m_CompSize;
                     File.m_Offset = FileInfo.m_Offset;
 				}
-                else
-                {
-                    File.setstate(ios::badbit);
-                }
 			}
 
 		}
diff --git a/JGE/src/zipFS/zfsystem.h b/JGE/src/zipFS/zfsystem.h
index 00724203b..66a8193f2 100644
--- a/JGE/src/zipFS/zfsystem.h
+++ b/JGE/src/zipFS/zfsystem.h
@@ -263,8 +263,12 @@ inline void izfstream::open(const char * FilePath, filesystem * pFS) {
 }
 
 inline void izfstream::close() {
+#ifdef USE_ZBUFFER_POOL 
 	if (m_pFS)
         m_pFS->unuse( * this);
+#else
+    izstream::close();
+#endif
 	m_FilePath = m_FullFilePath = "";
     m_UncompSize = 0;
 }
diff --git a/JGE/src/zipFS/zstream.cpp b/JGE/src/zipFS/zstream.cpp
index 1d15ff541..7118f228e 100644
--- a/JGE/src/zipFS/zstream.cpp
+++ b/JGE/src/zipFS/zstream.cpp
@@ -22,7 +22,7 @@ using namespace std;
 // zstream Member Functions
 //////////////////////////////////////////////////////////////////////
 
-/*
+
 void izstream::open(const char * Filename, streamoff Offset, streamoff Size, int CompMethod)
 {
 	// Change the buffer if need
@@ -68,7 +68,7 @@ zbuffer * izstream::GetRightBuffer(int CompMethod) const
 	default:
 		return NULL;
 	}
-}*/
+}
 
 bool zbuffer::use(std::streamoff Offset, std::streamoff Size)
 {
diff --git a/JGE/src/zipFS/zstream.h b/JGE/src/zipFS/zstream.h
index 1d3ef3aec..55ed81499 100644
--- a/JGE/src/zipFS/zstream.h
+++ b/JGE/src/zipFS/zstream.h
@@ -51,7 +51,9 @@
 
 #include "zstream_zlib.h" // Zlib dependencies
 
-
+#ifdef PSP
+#define USE_ZBUFFER_POOL
+#endif
 
 // Zip File System Namespace
 namespace zip_file_system {
@@ -151,25 +153,31 @@ class izstream : public std::istream
 public:
 
 	izstream() : std::istream(NULL), m_CompMethod(-1) { setstate(std::ios::badbit); }
-	virtual ~izstream()					{ rdbuf(NULL); } //This doesn't delete the buffer, deletion is handled by zfsystem;
+	virtual ~izstream()					{ 
+#ifdef USE_ZBUFFER_POOL 
+        rdbuf(NULL); //This doesn't delete the buffer, deletion is handled by zfsystem;
+#else
+        delete(rdbuf());
+#endif
+    } 
 
-	//void open(const char * Filename, std::streamoff Offset, std::streamoff Size, int CompMethod);
-	//void close()						{ SetCompMethod(-1); }
+	void open(const char * Filename, std::streamoff Offset, std::streamoff Size, int CompMethod);
+	void close()						{ SetCompMethod(-1); }
     
-    void SetCompMethod(int CompMethod) { m_CompMethod = CompMethod; };
+    void _SetCompMethod(int CompMethod) { m_CompMethod = CompMethod; };
 
 protected:
 	static const int STORED = 0;
 	static const int DEFLATED = 8;
 
-	//zbuffer * GetRightBuffer(int CompMethod) const;
+	zbuffer * GetRightBuffer(int CompMethod) const;
 
-	/*void SetCompMethod(int CompMethod) {
+	void SetCompMethod(int CompMethod) {
         delete rdbuf(GetRightBuffer(m_CompMethod = CompMethod));
 
 		if (rdbuf() == NULL)
 			setstate(std::ios::badbit);
-	}*/
+	}
 
 	int	m_CompMethod;
 };
diff --git a/projects/mtg/include/utils.h b/projects/mtg/include/utils.h
index 1983487d6..88ff7c3e1 100644
--- a/projects/mtg/include/utils.h
+++ b/projects/mtg/include/utils.h
@@ -117,7 +117,6 @@ u32 ramAvailable(void);
 
 bool fileExists(const char * filename);
 bool FileExists(const string & filename);
-
 std::string buildFilePath(const vector<string> & folders, const string & filename);
 std::string ensureFolder(const string & folderName);
 /*