diff --git a/logtracker/journal/migrations/0002_indexes.py b/logtracker/journal/migrations/0002_indexes.py
index df6d22c..d6fe7f8 100644
--- a/logtracker/journal/migrations/0002_indexes.py
+++ b/logtracker/journal/migrations/0002_indexes.py
@@ -21,7 +21,7 @@ class Migration(migrations.Migration):
         migrations.RunSQL("CREATE INDEX ON Journal_Entry((data->>'SYSLOG_FACILITY'))"),
         migrations.RunSQL("CREATE INDEX ON Journal_Entry((data->>'SYSLOG_IDENTIFIER'))"),
         migrations.RunSQL("CREATE INDEX ON Journal_Entry((data->>'HOSTNAME'))"),
-        migrations.RunSQL("CREATE INDEX ON Journal_Entry((data->>'MESSAGE'))"),
+        migrations.RunSQL("CREATE INDEX ON Journal_Entry(md5((data ->> 'MESSAGE')))"),
         migrations.RunSQL("CREATE INDEX ON Journal_Entry((data->>'APPLICATION'))"),
         migrations.RunSQL("CREATE INDEX ON Journal_Entry((data->>'TENANT'))"),
     ]