diff --git a/R/zxx.r b/R/zxx.r
index cf379281fa..068f7ccfe4 100644
--- a/R/zxx.r
+++ b/R/zxx.r
@@ -170,6 +170,16 @@ scale_color_stepsn <- scale_colour_stepsn
 #' @usage NULL
 scale_color_grey <- scale_colour_grey
 
+#' @export
+#' @rdname scale_grey
+#' @usage NULL
+scale_color_gray <- scale_colour_grey
+
+#' @export
+#' @rdname scale_grey
+#' @usage NULL
+scale_fill_gray <- scale_fill_grey
+
 #' @export
 #' @rdname scale_hue
 #' @usage NULL