diff --git a/migrations/2018-09-07-212003_fix_avatar_deletion/down.sql b/migrations/2018-09-07-212003_fix_avatar_deletion/down.sql
new file mode 100644
index 00000000..a3f0047d
--- /dev/null
+++ b/migrations/2018-09-07-212003_fix_avatar_deletion/down.sql
@@ -0,0 +1,7 @@
+-- This file should undo anything in `up.sql`
+ALTER TABLE users
+    DROP CONSTRAINT users_avatar_id_fkey,
+    ADD CONSTRAINT users_avatar_id_fkey
+    FOREIGN KEY (avatar_id)
+    REFERENCES medias(id)
+    ON DELETE CASCADE;
diff --git a/migrations/2018-09-07-212003_fix_avatar_deletion/up.sql b/migrations/2018-09-07-212003_fix_avatar_deletion/up.sql
new file mode 100644
index 00000000..780af5ab
--- /dev/null
+++ b/migrations/2018-09-07-212003_fix_avatar_deletion/up.sql
@@ -0,0 +1,7 @@
+-- Your SQL goes here
+ALTER TABLE users
+    DROP CONSTRAINT users_avatar_id_fkey,
+    ADD CONSTRAINT users_avatar_id_fkey
+    FOREIGN KEY (avatar_id)
+    REFERENCES medias(id)
+    ON DELETE SET NULL;