diff --git a/crm/api/__init__.py b/crm/api/__init__.py
index 54c72c02..af960c47 100644
--- a/crm/api/__init__.py
+++ b/crm/api/__init__.py
@@ -63,6 +63,11 @@ def check_app_permission():
 	if frappe.session.user == "Administrator":
 		return True
 
+	allowed_modules = frappe.utils.modules.get_modules_from_all_apps_for_user()
+	allowed_modules = [x["module_name"] for x in allowed_modules]
+	if "FCRM" not in allowed_modules:
+		return False
+
 	roles = frappe.get_roles()
 	if any(
 		role in ["System Manager", "Sales User", "Sales Manager", "Sales Master Manager"] for role in roles