The present invention relates to a method of performing sensor placement error detection and correction for a system (10) for tracking human motion comprising- at least one sensor unit (12,14),- at least one sensor holder (16,18),wherein the method comprises at least the following steps forming a method routine:- Analyzing, whether there is at least one unmet condition, indicating an incorrect sensor unit placement;- In case of detecting such at least one unmet condition preparing a list of potential reasons for the incorrect sensor unit placement;- Remove the possible reasons for incorrect sensor unit placement already presented to the user;- Select the one of the reasons and present it to a user.Furthermore, the above-mentioned invention relates to a system (10) for tracking human motion.