1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 8e21c8e..396d6a3 100644
--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@ style/style.css: style/*.less
 	lessc style/style.less style/style.css #--clean-css="--s1"
 
 # Compile all osml files to xml
-%.xml: %.osml
+%.xml: %.osml ontology/*.osml
 	ousia -F xml -o $@ $<
 
 # Compile the xml files to html