diff --git a/rivet.sh b/rivet.sh
index 3eed5fb..2803372 100755
--- a/rivet.sh
+++ b/rivet.sh
@@ -107,6 +107,7 @@ if ! [ -d "$srcdir" ]; then
 	usage
 fi
 
+rm -rf "$destdir"
 mkdir -p "$destdir"
 cp -r "$srcdir"/* "$destdir"
 rm -f "$destdir"/_header.html "$destdir"/_footer.html