diff --git a/src/kernel/core/fs/pipefs.cpp b/src/kernel/core/fs/pipefs.cpp
index 9b8405a110..9fe9dd11b9 100644
--- a/src/kernel/core/fs/pipefs.cpp
+++ b/src/kernel/core/fs/pipefs.cpp
@@ -1434,6 +1434,7 @@ pipefs_set_flags(fs_volume _volume, fs_vnode _vnode, fs_cookie _cookie, int flag
 {
 	file_cookie *cookie = (file_cookie *)_cookie;
 
+	TRACE(("pipefs_set_flags(vnode = %p, flags = %x)\n", _vnode, flags));
 	cookie->open_mode = (cookie->open_mode & ~(O_APPEND | O_NONBLOCK)) | flags;
 	return B_OK;
 }