diff --git a/latex-guide.pdf b/latex-guide.pdf
index c8106396ecfc96ad1bb7a61a86d5106cc55dfe37..eceddfc9885dc866cbefea3a5efe09f6f7e78cbd 100644
Binary files a/latex-guide.pdf and b/latex-guide.pdf differ
diff --git a/latex-guide.tex b/latex-guide.tex
index 42b31e31b2335b2be30f6dac48f61d5ad555d867..ee40fce79d35ac0634642124d95d2af256949229 100644
--- a/latex-guide.tex
+++ b/latex-guide.tex
@@ -200,7 +200,9 @@
 
 \maketitle
 
+\tikzexternaldisable
 \coffee{1}
+\tikzexternalenable
 
 \thispagestyle{fancy}