diff --git a/report.tex b/report.tex
index b424297..3ac6f51 100644
--- a/report.tex
+++ b/report.tex
@@ -240,7 +240,7 @@
   \begin{frame}{Searching for a first order Z4c}{Why Z4c?}
     \section{Searching for a first order Z4c}
     \subsection{Why Z4c?}
-    \begin{tikzpicture}[
+    \begin{tikzpicture}[scale=0.5,
   font=\small,
   >=Latex,
   node distance=12mm and 14mm,