diff --git a/slides/build.sh b/slides/build.sh
index ceb063a..8dc22ee 100755
--- a/slides/build.sh
+++ b/slides/build.sh
@@ -32,7 +32,7 @@ forever)
   fi
   
   while true; do
-    inotifywait .
+    inotifywait -r .
     build_slides
   done
   ;;