diff --git a/gfx/src/os2/nsDeviceContextOS2.cpp b/gfx/src/os2/nsDeviceContextOS2.cpp
index 305674a40b4c..97152ab2050e 100644
--- a/gfx/src/os2/nsDeviceContextOS2.cpp
+++ b/gfx/src/os2/nsDeviceContextOS2.cpp
@@ -326,7 +326,7 @@ nsresult nsDeviceContextOS2::CreateRenderingContext( nsIRenderingContext *&aCont
 
    surf->Init( mPrintPS, mWidth, mHeight, 0);
 
-   nsresult rc = pContext->Init( this, (void*)((nsDrawingSurfaceOS2 *) surf));
+   nsresult rc = pContext->Init(this, surf);
 
    if( NS_OK != rc)
    {