diff --git a/demo/regional.R b/demo/regional.R
index e0cdef3..e0c3df8 100755
--- a/demo/regional.R
+++ b/demo/regional.R
@@ -72,7 +72,7 @@
   map$region <- sapply(map$grp, function(grp) regions$region[grp])
   map$url <- sapply(map$grp, function(grp) regions$url[grp])
   regionsPlot <- ggplot(map) +
-    geom_polygon(aes(x=long, y=lat, group=group, fill=ipm, hack=region), colour= "black", size=.1) +
+    geom_polygon(aes(x=long, y=lat, group=group, fill=ipm, hack=region), colour= "black", linewidth=.1) +
     theme(axis.line.x = element_blank(),
           axis.line.y = element_blank(),
           panel.grid.major = element_blank(),