From 62dbd7656c16b30e4c126f52a0b50db6c6a3998f Mon Sep 17 00:00:00 2001
From: "M. Drew LaMar" <mdlama@wm.edu>
Date: Wed, 2 Dec 2020 11:25:29 -0500
Subject: [PATCH] Fix geom_polygon default colour to NA (#4279)

* Was incorrectly set to "NA"
---
 R/geom-polygon.r | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/R/geom-polygon.r b/R/geom-polygon.r
index 9b5f1bb291..f44ae4d633 100644
--- a/R/geom-polygon.r
+++ b/R/geom-polygon.r
@@ -167,7 +167,7 @@ GeomPolygon <- ggproto("GeomPolygon", Geom,
 
   },
 
-  default_aes = aes(colour = "NA", fill = "grey20", size = 0.5, linetype = 1,
+  default_aes = aes(colour = NA, fill = "grey20", size = 0.5, linetype = 1,
     alpha = NA, subgroup = NULL),
 
   handle_na = function(data, params) {