diff --git a/nanoc/rules/assets.rules b/nanoc/rules/assets.rules
index 32926bc27..ae9d3b91a 100644
--- a/nanoc/rules/assets.rules
+++ b/nanoc/rules/assets.rules
@@ -20,7 +20,7 @@ compile "/images/*.svg" do
   write("#{item.identifier}.gz")
 end
 
-compile "/favicon.png" do
+compile "/favicon.svg" do
   write(item.identifier.to_s)
 end