diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
index d1c2232..61d6c1f 100644
--- a/src/mesa/drivers/common/meta.c
+++ b/src/mesa/drivers/common/meta.c
@@ -1522,6 +1522,8 @@ _mesa_meta_draw_pixels(GLcontext *ctx,
    }
    else if (_mesa_is_stencil_format(format)) {
       if (ctx->Extensions.ARB_fragment_program &&
+          ctx->Pixel.IndexShift == 0 &&
+          ctx->Pixel.IndexOffset == 0 &&
           type == GL_UNSIGNED_BYTE) {
          /* We'll store stencil as alpha.  This only works for GLubyte
           * image data because of how incoming values are mapped to alpha