diff --git a/test/fast/setup b/test/fast/setup
index b433b5c..f98394b 100755
--- a/test/fast/setup
+++ b/test/fast/setup
@@ -4,6 +4,9 @@
   cd ../..
 
   # Back up
+
+  type setopt >/dev/null 2>&1 && setopt NULL_GLOB
+  type shopt >/dev/null 2>&1 && shopt -s nullglob
   rm -Rf v* src alias
   mkdir src alias
 )
diff --git a/test/fast/setup_dir b/test/fast/setup_dir
index 1bba6c2..75e67e3 100755
--- a/test/fast/setup_dir
+++ b/test/fast/setup_dir
@@ -4,6 +4,9 @@
   cd ../..
 
   # Back up
+
+  type setopt >/dev/null 2>&1 && setopt NULL_GLOB
+  type shopt >/dev/null 2>&1 && shopt -s nullglob
   mkdir -p bak
   mv v* src alias bak || sleep 0s
 )
diff --git a/test/fast/teardown b/test/fast/teardown
index 954850f..bd269eb 100755
--- a/test/fast/teardown
+++ b/test/fast/teardown
@@ -3,5 +3,8 @@
 # Remove temporary files
 (
   cd ../..
+
+  type setopt >/dev/null 2>&1 && setopt NULL_GLOB
+  type shopt >/dev/null 2>&1 && shopt -s nullglob
   rm -fR v* src alias
 )