diff --git a/Misc/Warm-Ups/conway.tex b/Misc/Warm-Ups/conway.tex
index c5a64a1..23948a8 100755
--- a/Misc/Warm-Ups/conway.tex
+++ b/Misc/Warm-Ups/conway.tex
@@ -66,11 +66,11 @@
 	\pagebreak
 
 	\begin{center}
-		\vfill
+		\null\vfill
 		\begin{tikzpicture}
 			\isogrid{20}{7}
 		\end{tikzpicture}
-		\vfill
+		\vfill\null
 	\end{center}
 
 \end{document}