diff --git a/pages/program/talk-detail.tsx b/pages/program/talk-detail.tsx
index 24e4cbb..5518361 100644
--- a/pages/program/talk-detail.tsx
+++ b/pages/program/talk-detail.tsx
@@ -122,7 +122,7 @@ export class TalkDetail extends React.Component<PropsType> {
               presentation.slideUrl &&
                 <ProgramTableRow
                   header={t('program:talkDetail.slideUrl')} >
-                  { presentation.slideUrl }
+                  <MarkdownWrapper contents={ presentation.slideUrl }/>
                 </ProgramTableRow>
             }
           </TableList>