diff --git a/db_scripts/diff/15018.down b/db_scripts/diff/15018.down
new file mode 100644
index 00000000..07dfe10a
--- /dev/null
+++ b/db_scripts/diff/15018.down
@@ -0,0 +1,3 @@
+USE provisioning;
+
+ALTER TABLE autoprov_devices DROP COLUMN num_lines;
diff --git a/db_scripts/diff/15018.up b/db_scripts/diff/15018.up
new file mode 100644
index 00000000..2414c4ea
--- /dev/null
+++ b/db_scripts/diff/15018.up
@@ -0,0 +1,3 @@
+USE provisioning;
+
+ALTER TABLE autoprov_devices ADD COLUMN num_lines INT(5) UNSIGNED DEFAULT NULL;