diff --git a/Makefile b/Makefile
index 3c8039e..6f6b6c1 100644
--- a/Makefile
+++ b/Makefile
@@ -51,7 +51,7 @@ bedstead-%-df.png: df.ps bedstead.pfa
 	gs -q -dSAFER -dsize=$* -sDEVICE=png16m -o $@ bedstead.pfa $<
 
 complement.ps: bedstead
-	./bedstead --glyph-complement > complement.ps
+	./bedstead --complement > complement.ps
 
 complement.pdf: complement.ps bedstead.pfa
 	gs -q -dSAFER -sDEVICE=pdfwrite -o $@ bedstead.pfa $<