diff --git a/app/models/particular.rb b/app/models/particular.rb
index 427fa62..9b7a253 100644
--- a/app/models/particular.rb
+++ b/app/models/particular.rb
@@ -50,7 +50,7 @@ class Particular < ApplicationRecord
   end
   
   def force_validate_tel
-    if self.validate_tel
+    if self.validate_tel and self.validate_tel.to_s != ""
       true
     else
       false