diff --git a/contrib/ocs b/contrib/ocs
index e924f4f..bd556b4 100755
--- a/contrib/ocs
+++ b/contrib/ocs
@@ -210,7 +210,7 @@ exp_inc()
then
for i in `cat ${theInc}`
do
- printf "-I $i "
+ printf -- "-I $i "
done
fi
}
--
2.26.2