Incorrect Credit Score

My husband and I have filed jointly since we've been married for the last 34 years.  We've done our Federal Income Tax by Turbo Tax for approximately 20 years.  We have done them on line with Turbo Tax for 3 years.  We I received the e-mail regarding our credit score, I all of a sudden noticed that it is only pulling my yearly income and not the joint.  Approximately 75% of our income comes from my husband.  If we have been filing jointly, can the credit score not reflect our combined income?