diff --git a/app/models/token.rb b/app/models/token.rb
index 5a6a21b4..fe6bd107 100644
--- a/app/models/token.rb
+++ b/app/models/token.rb
@@ -3,7 +3,7 @@ class Token < ActiveRecord::Base
   validates :canister_id, uniqueness: true, allow_nil: true
 
   def transfer_fee_to_f
-    if self.transfer_fee.present?
+    if self.transfer_fee.present? && self.decimals.present?
       return self.transfer_fee/(10.0**self.decimals)
     else
       return nil