diff --git a/tests/003-uv_write_different-callbacks.phpt b/tests/003-uv_write_different-callbacks.phpt
index 79c4fb7..7ebd5d1 100644
--- a/tests/003-uv_write_different-callbacks.phpt
+++ b/tests/003-uv_write_different-callbacks.phpt
@@ -5,7 +5,7 @@ Check for uv_write multiple call with different callbacks
 $loop = uv_loop_new();
 
 $handler = uv_pipe_init($loop, false);
-uv_pipe_open($handler, (int) STDIN);
+uv_pipe_open($handler, (int) STDOUT);
 
 uv_write($handler, 'A', function () { echo 'A'; });
 uv_write($handler, 'B', function () { echo 'B'; });
diff --git a/tests/004-uv_write-no-memory_leak.phpt b/tests/004-uv_write-no-memory_leak.phpt
index 4a55c44..7d34019 100644
--- a/tests/004-uv_write-no-memory_leak.phpt
+++ b/tests/004-uv_write-no-memory_leak.phpt
@@ -9,7 +9,7 @@ class TestCase {
         $loop = uv_loop_new();
 
         $handler = uv_pipe_init($loop, false);
-        uv_pipe_open($handler, (int) STDIN);
+        uv_pipe_open($handler, (int) STDOUT);
 
         $a = 0;