diff --git a/templates/latex/review-jsbook/review-base.sty b/templates/latex/review-jsbook/review-base.sty
index da5885fdb..3dba1c55a 100644
--- a/templates/latex/review-jsbook/review-base.sty
+++ b/templates/latex/review-jsbook/review-base.sty
@@ -2,6 +2,13 @@
 \@ifundefined{Hy@Info}{% for jsbook.cls
   \RequirePackage[dvipdfmx,bookmarks=true,bookmarksnumbered=true]{hyperref}
   \RequirePackage[dvipdfmx]{pxjahyper}
+  \newif\if@reclscover \@reclscovertrue
+  \newcommand{\includefullpagegraphics}[2][]{%
+    \thispagestyle{empty}%
+    \begin{center}%
+      \includegraphics[#1]{#2}%
+    \end{center}}
+  \def\review@coverimageoption{width=\textwidth,height=\textheight,keepaspectratio}
 }{}
 \ifthenelse{\equal{\review@texcompiler}{uplatex}}{%
 \RequirePackage[deluxe,uplatex]{otf}%