diff --git a/Formula/t/tabiew.rb b/Formula/t/tabiew.rb
index d0ecc27ab83b9..08e11fa1b4708 100644
--- a/Formula/t/tabiew.rb
+++ b/Formula/t/tabiew.rb
@@ -39,7 +39,8 @@ def install
     input.puts ":F tide < 40"
     sleep 1
     input.puts ":q"
-
+    sleep 1
+    input.close
     sleep 2
     File.open(testpath/"output.txt") do |f|
       contents = f.read