1 files changed, 2 insertions, 0 deletions
diff --git a/tests/du/slash b/tests/du/slash
index 0676ee2f7..423fb3899 100755
--- a/tests/du/slash
+++ b/tests/du/slash
@@ -6,6 +6,8 @@ if test "$VERBOSE" = yes; then
   du --version
 fi
 
+. $srcdir/../envvar-check
+
 pwd=`pwd`
 t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
 trap 'status=$?; cd $pwd; chmod -R u+rwx $t0; rm -rf $t0 && exit $status' 0