diff --git a/htaccess b/htaccess
index aff05901..3d50cbef 100644
--- a/htaccess
+++ b/htaccess
@@ -35,3 +35,6 @@ RewriteRule "^PapeTilRetsudvalget$" "/assets/files/PapeLyver.pdf" [NC]
 # Mobile Pay 40456-knap
 RewriteRule "^40456\.{0,1}$" "/assets/img/donerOrangeTwcard40456.png"
 RewriteRule "^mobilepayknap\.{0,1}$" "/assets/img/donerOrangeTwcard40456.png"
+
+# Max Planck-undersøgelse
+RewriteRule "^[mM]ax[Pp]lanck" "https://www.mpicc.de/de/forschung/forschungsarbeit/kriminologie/vorratsdatenspeicherung.html"