diff --git a/xos/services/vpn/admin.py b/xos/services/vpn/admin.py
index 75fa9ca..d47cc0f 100644
--- a/xos/services/vpn/admin.py
+++ b/xos/services/vpn/admin.py
@@ -200,9 +200,9 @@
         if (not os.path.isdir(self.instance.pki_dir)):
             VPNService.execute_easyrsa_command(
                 self.instance.pki_dir, "init-pki")
-            if (self.instance.use_ca_from):
+            if (len(self.instance.use_ca_from) > 0):
                 shutil.copy2(
-                    self.instance.use_ca_from.pki_dir + "/ca.crt",
+                    self.instance.use_ca_fromp[0].pki_dir + "/ca.crt",
                     self.instance.pki_dir)
             else:
                 VPNService.execute_easyrsa_command(