diff --git a/layout.sty b/layout.sty
index 1bf39be734efc609b559841072e0eb8641640fdf..c12e6f3e3c2ce9145f52260e06ee6182df6b975e 100644
--- a/layout.sty
+++ b/layout.sty
@@ -821,7 +821,7 @@ bookmarks=true]%
 \titleformat{\subsubsection}[wrap]
 {\needspace{3em}\filright%
 \titleFont%
-\large}
+\large\centering}
 {}{.5em}{#1}
 
 \titlespacing{\subsubsection}