diff --git a/Scripts/developer_scripts/autotest_cgal_with_cmake b/Scripts/developer_scripts/autotest_cgal_with_cmake
index db191110321..15b2c83265a 100755
--- a/Scripts/developer_scripts/autotest_cgal_with_cmake
+++ b/Scripts/developer_scripts/autotest_cgal_with_cmake
@@ -24,6 +24,11 @@
 #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"