1 files changed, 1 insertions, 1 deletions
diff --git a/tests/pdtest b/tests/pdtest
index 55718be..d0717a8 100755
--- a/tests/pdtest
+++ b/tests/pdtest
@@ -309,7 +309,7 @@ def run_tests(tests, fix=False):
         pd_cvg = []
         for tclist in tests[pd]:
             for tc in tclist:
-                args = cmd.copy()
+                args = cmd[:]
                 if DEBUG > 1:
                     args.append('-d')
                 # Set up PD stack for this test.