diff --git a/nw_demo.lua b/nw_demo.lua
index 70a5c12..7eaef5f 100644
--- a/nw_demo.lua
+++ b/nw_demo.lua
@@ -156,9 +156,9 @@ function win:repaint()
 		cr:rel_line_to(w - titlebar_x, 0)
 		cr:rel_line_to(0, -titlebar_h - 0)
 		cr:close_path()
-		local pat = cairo.linear_pattern(0, 0, 0, titlebar_h)
-		pat:add_color_stop_rgba(1, unpack(titlebar_color1))
-		pat:add_color_stop_rgba(0, unpack(titlebar_color2))
+		local pat = cairo.linear_gradient(0, 0, 0, titlebar_h)
+		pat:add_color_stop(1, unpack(titlebar_color1))
+		pat:add_color_stop(0, unpack(titlebar_color2))
 		cr:source(pat)
 		cr:fill()
 		pat:unref()
@@ -166,9 +166,9 @@ function win:repaint()
 		--buttons background
 		local r = border_radius
 		round_rect(cr, 0, r, r, 0, unpack(buttons_rect))
-		local pat = cairo.linear_pattern(0, 0, 0, titlebar_h)
-		pat:add_color_stop_rgba(1, unpack(titlebar_color1))
-		pat:add_color_stop_rgba(0, unpack(titlebar_color2))
+		local pat = cairo.linear_gradient(0, 0, 0, titlebar_h)
+		pat:add_color_stop(1, unpack(titlebar_color1))
+		pat:add_color_stop(0, unpack(titlebar_color2))
 		cr:source(pat)
 		cr:fill()
 		pat:unref()