1 files changed, 1 insertions, 0 deletions
diff --git a/tests/io.test b/tests/io.test
index 1cde686..e2a48dd 100644
--- a/tests/io.test
+++ b/tests/io.test
@@ -5122,6 +5122,7 @@ test io-33.1 {ChannelTimerProc} {
     testchannelevent $f set 0 none
     after idle {set y done}
     vwait y
+    close $f
     lappend result $y
 } {2 done}