diff --git a/src/slic3r/Utils/FlashAir.cpp b/src/slic3r/Utils/FlashAir.cpp
index bca331e844..be963e98d3 100644
--- a/src/slic3r/Utils/FlashAir.cpp
+++ b/src/slic3r/Utils/FlashAir.cpp
@@ -70,7 +70,7 @@ wxString FlashAir::get_test_ok_msg () const
 
 wxString FlashAir::get_test_failed_msg (wxString &msg) const
 {
-    return GUI::from_u8((boost::format("%s: %s")
+    return GUI::from_u8((boost::format("%s: %s\n%s")
                     % _utf8(L("Could not connect to FlashAir"))
                     % std::string(msg.ToUTF8())
                     % _utf8(L("Note: FlashAir with firmware 2.00.02 or newer and activated upload function is required."))).str());