diff --git a/preamble.tex b/preamble.tex
index 5cdc4f23ffc3b5bd431eac5512425ae3d6c43a6b..1120c94d589b30473c29cfa13d8cad0c71134753 100644
--- a/preamble.tex
+++ b/preamble.tex
@@ -11,7 +11,7 @@
 
 \title{Data-X Talk} % chktex 13
 
-\subtitle{Path ORAM:\@An Extremely Simple Oblivious RAM Protocol~\cite{DBLP:journals/corr/abs-1202-5150}}
+\subtitle{Path ORAM:\ An Extremely Simple Oblivious RAM Protocol~\cite{DBLP:journals/corr/abs-1202-5150}}
 
 \date{Built from \href{https://git.dbogatov.org/bu/PathORAM-Talk/commit/\version}{\emph{\version}} on \today}