1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index ede169e..2517b7d 100644
--- a/Makefile
+++ b/Makefile
@@ -123,7 +123,7 @@ out/%.xml: content/%.md .cache/meta/%.json $(FEED_TEMPLATES_SRC) metadata/*.yaml
 out/%/thumbnail.png: content/%/thumbnail.png | out
         $(info [THMB] $< -> $@)
 
-        convert -thumbnail 550x280^ -gravity center -extent 550x280 "$<" png:- | pngquant -o "$@" -
+        convert -thumbnail 550x280^ -gravity center -extent 550x280 "$<" png:- | pngquant - > "$@"
 
 out/%/thumbnail.jpg: content/%/thumbnail.jpg | out
         $(info [THMB] $< -> $@)