diff --git a/R/geom-density.R b/R/geom-density.R
index 82e309ecc7..d1964c07fe 100644
--- a/R/geom-density.R
+++ b/R/geom-density.R
@@ -10,8 +10,8 @@ GeomDensity <- ggproto(
     fill   = from_theme(fill %||% NA),
     weight = 1,
     alpha  = NA,
-    linewidth = from_theme(borderwidth),
-    linetype  = from_theme(bordertype)
+    linewidth = from_theme(linewidth),
+    linetype  = from_theme(linetype)
   )
 )