diff --git a/wiki/src/blueprint/user_survey.mdwn b/wiki/src/blueprint/user_survey.mdwn
index 8b250b6c2df4954e9dd7cfca46477b690cf6a1e0..b3f04867ec709f939e6015612c766033e905a685 100644
--- a/wiki/src/blueprint/user_survey.mdwn
+++ b/wiki/src/blueprint/user_survey.mdwn
@@ -13,6 +13,7 @@ Similar surveys
   - <https://matomo.org/blog/2011/06/piwik-community-survey-here-are-the-results/>
   - <https://survey.piwik.org/index.php/151125>
   - <https://matomo.org/blog/2017/11/community-survey-revealed-discover-the-profile-of-a-piwik-user/>
+  - <https://www.limesurvey.org/about-us/blog/2100-must-have-survey>
 
 Possible research questions
 ---------------------------