diff --git a/Makefile b/Makefile
index e5bf672ab7105d490e4237915248d206a743b506..954f3bc879caef6dd44773a7384468ac22916e24 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ all: docx
 	$(BOXOLOGY) -t $(<) > $(@)
 
 %.md: %.json
-	$(BOXOLOGY) -m $(<) > $(@)
+	$(BOXOLOGY) -m $(<)
 
 %.svg: %.tex
 	latex $(<)