diff --git a/tests/integration/_common.sh b/tests/integration/_common.sh
index be4e75098..6fe06b1ee 100755
--- a/tests/integration/_common.sh
+++ b/tests/integration/_common.sh
@@ -2,7 +2,7 @@
 
 if [ "xxx$root" = "xxx" ];
 then
-    root="$(mktemp -d)"
+    root="$(mktemp -d -t leitXXXX)"
     echo "Root integration tests directory: $root"
 fi
 store_flags="--config-dir $root/conf --work-dir $root/work"