diff --git a/xs/src/libslic3r/libslic3r.h b/xs/src/libslic3r/libslic3r.h
index 4aef4d5c1..e7b858e8b 100644
--- a/xs/src/libslic3r/libslic3r.h
+++ b/xs/src/libslic3r/libslic3r.h
@@ -14,7 +14,7 @@
 #include <boost/thread.hpp>
 
 #define SLIC3R_FORK_NAME "Slic3r Prusa Edition"
-#define SLIC3R_VERSION "1.40.0"
+#define SLIC3R_VERSION "1.40.0-alpha"
 #define SLIC3R_BUILD "UNKNOWN"
 
 typedef int32_t coord_t;
diff --git a/xs/src/slic3r/GUI/Field.cpp b/xs/src/slic3r/GUI/Field.cpp
index 623e20b45..0fcf480e3 100644
--- a/xs/src/slic3r/GUI/Field.cpp
+++ b/xs/src/slic3r/GUI/Field.cpp
@@ -194,6 +194,14 @@ namespace Slic3r { namespace GUI {
 
 		temp->Bind(wxEVT_TEXT, ([this](wxCommandEvent) { on_change_field(); }), temp->GetId());
 
+		// select all text using Ctrl+A
+		temp->Bind(wxEVT_CHAR, ([temp](wxKeyEvent& event)
+		{
+			if (wxGetKeyState(wxKeyCode('A')) && wxGetKeyState(WXK_CONTROL))
+				temp->SetSelection(-1, -1); //select all
+			event.Skip();
+		}));
+
         // recast as a wxWindow to fit the calling convention
         window = dynamic_cast<wxWindow*>(temp);
     }