diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index c0fe72d7d..b7a4af422 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -155,7 +155,7 @@ MainFrame::MainFrame() :
 DPIFrame(NULL, wxID_ANY, "", wxDefaultPosition, wxDefaultSize, BORDERLESS_FRAME_STYLE, "mainframe")
     , m_printhost_queue_dlg(new PrintHostQueueDialog(this))
     // BBS
-    , m_recent_projects(9)
+    , m_recent_projects(18)
     , m_settings_dialog(this)
     , diff_dialog(this)
 {