diff --git a/zerver/migrations/0112_index_muted_topics.py b/zerver/migrations/0112_index_muted_topics.py
new file mode 100644
index 0000000000..b241a7a86b
--- /dev/null
+++ b/zerver/migrations/0112_index_muted_topics.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('zerver', '0111_botuserstatedata'),
+    ]
+
+    operations = [
+        migrations.RunSQL(
+            '''
+            CREATE INDEX zerver_mutedtopic_stream_topic
+            ON zerver_mutedtopic
+            (stream_id, upper(topic_name))
+            ''',
+            reverse_sql='DROP INDEX zerver_mutedtopic_stream_topic;'
+        ),
+    ]