diff --git a/examples/color.cr b/examples/color.cr
index 5387e67..e5d653b 100644
--- a/examples/color.cr
+++ b/examples/color.cr
@@ -2,7 +2,7 @@ require "../src/spinner"
 require "colorize"
 
 chars = Spinner::Charset[:arrow].map do |c|
-  c.colorize(:light_green)
+  c.colorize(:light_green).to_s
 end
 
 spin = Spin.new(0.2, chars)
diff --git a/examples/pavyon.cr b/examples/pavyon.cr
index e303f05..87c02b4 100644
--- a/examples/pavyon.cr
+++ b/examples/pavyon.cr
@@ -1,9 +1,9 @@
 require "../src/spinner"
 require "colorize"
 
-colors = {:red, :light_red, :yellow, :green, :light_blue, :blue, :magenta}
+colors = [:red, :light_red, :yellow, :green, :light_blue, :blue, :magenta]
 chars = colors.map do |color|
-  ".xXx.".colorize(color)
+  ".xXx.".colorize(color).to_s
 end
 
 spin = Spin.new(0.01, chars)