diff --git a/db/migrations/0215__content_structure.sql b/db/migrations/0215__content_structure.sql
index 9f599cec3..f8c6a461f 100644
--- a/db/migrations/0215__content_structure.sql
+++ b/db/migrations/0215__content_structure.sql
@@ -8,3 +8,6 @@ CREATE TABLE IF NOT EXISTS "blobs" (
 
 ALTER TABLE notes ADD blobId TEXT DEFAULT NULL;
 ALTER TABLE note_revisions ADD blobId TEXT DEFAULT NULL;
+
+CREATE INDEX IF NOT EXISTS IDX_notes_blobId on notes (blobId);
+CREATE INDEX IF NOT EXISTS IDX_revisions_blobId on revisions (blobId);
diff --git a/db/migrations/0219__attachments.sql b/db/migrations/0219__attachments.sql
index 5e7c93e96..246360bfe 100644
--- a/db/migrations/0219__attachments.sql
+++ b/db/migrations/0219__attachments.sql
@@ -19,3 +19,5 @@ CREATE INDEX IDX_attachments_ownerId_role
 
 CREATE INDEX IDX_attachments_utcDateScheduledForErasureSince
     on attachments (utcDateScheduledForErasureSince);
+
+CREATE INDEX IF NOT EXISTS IDX_attachments_blobId on attachments (blobId);