diff --git a/Makefile b/Makefile
index 5dbc765..87d5377 100644
--- a/Makefile
+++ b/Makefile
@@ -1,15 +1,17 @@
+OUTPUT_DIR=output
+
 .PHONY: pages blog all clean
 
 pages:
-	mkdir -p output
-	find pages -type f -name '*.cfg' -print0 | sort -zr | xargs -0 saait
-	cp nicolas@ortegas.org_pub.asc style.css favicon.png output/
+	mkdir -p $(OUTPUT_DIR)
+	find pages -type f -name '*.cfg' -print0 | sort -zr | xargs -0 saait -o $(OUTPUT_DIR)/
+	cp nicolas@ortegas.org_pub.asc style.css favicon.png $(OUTPUT_DIR)
 
 blog:
-	mkdir -p output/blog
-	find blog/posts -type f -name '*.cfg' -print0 | sort -zr | xargs -0 saait -o output/blog/ -t blog/templates/
+	mkdir -p $(OUTPUT_DIR)/blog
+	find blog/posts -type f -name '*.cfg' -print0 | sort -zr | xargs -0 saait -o $(OUTPUT_DIR)/blog/ -t blog/templates/
 
 all: pages blog
 
 clean:
-	rm -rf output
+	rm -rf $(OUTPUT_DIR)