diff --git a/src/mesa/main/depthstencil.c b/src/mesa/main/depthstencil.c
index d4990bb..fb54d61 100644
--- a/src/mesa/main/depthstencil.c
+++ b/src/mesa/main/depthstencil.c
@@ -213,7 +213,7 @@
                const void *values, const GLubyte *mask)
 {
    struct gl_renderbuffer *dsrb = z24rb->Wrapped;
-   const GLubyte *src = (const GLubyte *) values;
+   const GLuint *src = (const GLuint *) values;
    ASSERT(z24rb->DataType == GL_UNSIGNED_INT);
    ASSERT(dsrb->_ActualFormat == GL_DEPTH24_STENCIL8_EXT);
    ASSERT(dsrb->DataType == GL_UNSIGNED_INT_24_8_EXT);