diff --git a/moderation/importers/moderation.py b/moderation/importers/moderation.py
index addf85b..a4b5be1 100644
--- a/moderation/importers/moderation.py
+++ b/moderation/importers/moderation.py
@@ -76,6 +76,8 @@ class ImportModerationView(ui.View):
                     minutes=duration_t.minutes,
                     seconds=duration_t.seconds
                 )
+            else:
+                duration = 'NULL'
 
             await mysql_log(
                 self.ctx.guild.id,