diff --git a/tests/testsuite.at b/tests/testsuite.at
index 0c7edf1..2f274f9 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -193,7 +193,7 @@
 AT_SETUP([timer])
 AT_KEYWORDS([timer])
 cat $abs_srcdir/timer/timer_test.ok > expout
-AT_CHECK([$abs_top_builddir/tests/timer/timer_test -s 5], [0], [expout], [ignore])
+AT_CHECK([$abs_top_builddir/tests/timer/timer_test], [0], [expout], [ignore])
 AT_CLEANUP
 
 AT_SETUP([tlv])