diff --git a/frappe/installer.py b/frappe/installer.py
index 4fc19b282a..03691e1883 100755
--- a/frappe/installer.py
+++ b/frappe/installer.py
@@ -113,7 +113,7 @@ def remove_from_installed_apps(app_name):
 	installed_apps = frappe.get_installed_apps()
 	if app_name in installed_apps:
 		installed_apps.remove(app_name)
-		frappe.db.set_global("installed_apps", json.dumps(installed_apps))
+		frappe.db.set_value("DefaultValue", {"defkey": "installed_apps"}, "defvalue", json.dumps(installed_apps))
 		frappe.db.commit()
 		if frappe.flags.in_install:
 			post_install()