diff --git a/test/test_ctbin.py b/test/test_ctbin.py
index c9024de..fd7f956 100755
--- a/test/test_ctbin.py
+++ b/test/test_ctbin.py
@@ -69,7 +69,7 @@ class Test(gammalib.GPythonTestSuite):
         Test ctbin on the command line.
         """
         # Set ctbin tool
-        noout = " >/dev/null"
+        noout = " &>/dev/null"
         ctbin = "../src/ctbin/ctbin"
         if os.system("type "+ctbin+noout) != 0:
             ctbin = "ctbin"