diff --git a/LEGO1/legoomni.cpp b/LEGO1/legoomni.cpp
index cc0bd8ab..cda6d9ff 100644
--- a/LEGO1/legoomni.cpp
+++ b/LEGO1/legoomni.cpp
@@ -159,15 +159,15 @@ MxDSObject *CreateStreamObject(MxDSFile *p_file, MxS16 p_ofs)
     return NULL;
   }
 
-  if (p_file->Read(&tmp_chunk.ckid, 8) == 0 && tmp_chunk.ckid == FOURCC('M', 'x', 'S', 't')) {
-    if (p_file->Read(&tmp_chunk.ckid, 8) == 0 && tmp_chunk.ckid == FOURCC('M', 'x', 'O', 'b')) {
+  if (p_file->Read((MxU8*)&tmp_chunk.ckid, 8) == 0 && tmp_chunk.ckid == FOURCC('M', 'x', 'S', 't')) {
+    if (p_file->Read((MxU8*)&tmp_chunk.ckid, 8) == 0 && tmp_chunk.ckid == FOURCC('M', 'x', 'O', 'b')) {
 
       buf = new char[tmp_chunk.cksize];
       if (!buf) {
         return NULL;
       }
 
-      if (p_file->Read(buf, tmp_chunk.cksize) != 0) {
+      if (p_file->Read((MxU8*)buf, tmp_chunk.cksize) != 0) {
         return NULL;
       }
 
diff --git a/LEGO1/mxdsfile.cpp b/LEGO1/mxdsfile.cpp
index 6d1bcb71..ca6e96fb 100644
--- a/LEGO1/mxdsfile.cpp
+++ b/LEGO1/mxdsfile.cpp
@@ -47,7 +47,7 @@ MxLong MxDSFile::Open(MxULong uStyle)
 }
 
 // OFFSET: LEGO1 0x100cc780
-MxResult MxDSFile::Read(void *p_buf, MxULong p_nbytes)
+MxResult MxDSFile::Read(unsigned char *p_buf, MxULong p_nbytes)
 {
   if (m_io.Read(p_buf, p_nbytes) != p_nbytes)
     return FAILURE;
diff --git a/LEGO1/mxdsfile.h b/LEGO1/mxdsfile.h
index 931d862c..d46a6153 100644
--- a/LEGO1/mxdsfile.h
+++ b/LEGO1/mxdsfile.h
@@ -28,7 +28,7 @@ class MxDSFile : public MxDSSource
 
   __declspec(dllexport) virtual MxLong Open(MxULong); // vtable+0x14
   __declspec(dllexport) virtual MxLong Close(); // vtable+0x18
-  __declspec(dllexport) virtual MxResult Read(void *,MxULong); // vtable+0x20
+  __declspec(dllexport) virtual MxResult Read(unsigned char *,MxULong); // vtable+0x20
   __declspec(dllexport) virtual MxLong Seek(MxLong,int); // vtable+0x24
   __declspec(dllexport) virtual MxULong GetBufferSize(); // vtable+0x28
   __declspec(dllexport) virtual MxULong GetStreamBuffersNum();  // vtable+0x2c
diff --git a/LEGO1/mxdssource.h b/LEGO1/mxdssource.h
index 0c78c059..67cbc6c7 100644
--- a/LEGO1/mxdssource.h
+++ b/LEGO1/mxdssource.h
@@ -29,7 +29,7 @@ class MxDSSource : public MxCore
   virtual MxLong Open(MxULong) = 0;
   virtual MxLong Close() = 0;
   virtual void SomethingWhichCallsRead(void* pUnknownObject);
-  virtual MxResult Read(void *, MxULong) = 0;
+  virtual MxResult Read(unsigned char *, MxULong) = 0;
   virtual MxLong Seek(MxLong, int) = 0;
   virtual MxULong GetBufferSize() = 0;
   virtual MxULong GetStreamBuffersNum() = 0;