1 files changed, 1 insertions, 0 deletions

diff --git a/filter.c b/filter.c
index 9a66bb34..d7812454 100644
--- a/filter.c
+++ b/filter.c
@@ -280,6 +280,7 @@ static struct filter_pair to_html_table[] = {
   { wli(">"), wli(">") },
   { wli("&"), wli("&") },
   { wli("\""), wli(""") },
+  { wli("'"), wli("'") },
   { 0, 0 }
 };