diff --git a/source/Irrlicht/COpenGLDriver.cpp b/source/Irrlicht/COpenGLDriver.cpp
index b0f122b0..c213283b 100644
--- a/source/Irrlicht/COpenGLDriver.cpp
+++ b/source/Irrlicht/COpenGLDriver.cpp
@@ -746,10 +746,10 @@ IRenderTarget* COpenGLDriver::addRenderTarget()
 }
 
 
-// small helper function to create vertex buffer object adress offsets
-static inline u8* buffer_offset(const long offset)
+// small helper function to create vertex buffer object address offsets
+static inline const GLvoid * buffer_offset(const long offset)
 {
-	return ((u8*)0 + offset);
+	return (const GLvoid *)offset;
 }