diff --git a/Scripts/developer_scripts/autotest_cgal b/Scripts/developer_scripts/autotest_cgal
index 55af036fdd9..e840f5e3c60 100755
--- a/Scripts/developer_scripts/autotest_cgal
+++ b/Scripts/developer_scripts/autotest_cgal
@@ -24,6 +24,12 @@
 #sets the umask to 022 & 0777
 umask 022
 
+# We want english warning and error messages!!
+LANG=C
+LC_ALL=C
+export LANG
+export LC_ALL
+
 SCP="scp"
 WGET="wget"
 WGET_OPTS="--no-check-certificate --no-verbose"