diff --git a/services/clsi/test/acceptance/fixtures/examples/latex_compiler/main.tex b/services/clsi/test/acceptance/fixtures/examples/latex_compiler/main.tex
index 97b6888628..76fd8e5f4c 100644
--- a/services/clsi/test/acceptance/fixtures/examples/latex_compiler/main.tex
+++ b/services/clsi/test/acceptance/fixtures/examples/latex_compiler/main.tex
@@ -1,4 +1,4 @@
-\documentclass{article}
+\documentclass[a4paper]{article}
 
 \usepackage{graphicx}