1 files changed, 4 insertions, 2 deletions
diff --git a/tests/winPipe.test b/tests/winPipe.test
index 7e01c5f..0263823 100644
--- a/tests/winPipe.test
+++ b/tests/winPipe.test
@@ -12,8 +12,10 @@
 # See the file "license.terms" for information on usage and redistribution of
 # this file, and for a DISCLAIMER OF ALL WARRANTIES.
 
-package require tcltest
-namespace import -force ::tcltest::*
+if {"::tcltest" ni [namespace children]} {
+    package require tcltest 2.5
+    namespace import -force ::tcltest::*
+}
 unset -nocomplain path
 
 catch {