diff --git a/ULiege-trigon.sty b/ULiege-trigon.sty
index c1385fd6aa8c38c9237bac2bc1ec6f2d05a20753..cf84aba6c64865d18931f2d7ceb78a75c28c2d3d 100644
--- a/ULiege-trigon.sty
+++ b/ULiege-trigon.sty
@@ -170,7 +170,7 @@
 }
 
 \colorlet{tAccent}{ulgOrange} % Same accent color for everything
-
+\colorlet{tTheme}{tPrim} % Theme color is the fac primary color
 
 \ProcessOptionsBeamer
 \ULiegetrigon@setdefaults