diff --git a/xs/xsp/GUI_Preset.xsp b/xs/xsp/GUI_Preset.xsp
index 67e1d5fc6..0033ebd0e 100644
--- a/xs/xsp/GUI_Preset.xsp
+++ b/xs/xsp/GUI_Preset.xsp
@@ -18,8 +18,8 @@
     bool                        is_compatible_with_printer(Preset *active_printer)
         %code%{ RETVAL = THIS->is_compatible_with_printer(*active_printer); %};
 
-    const char*                 name()          %code%{ RETVAL = THIS->name.c_str(); %};
-    const char*                 file()          %code%{ RETVAL = THIS->file.c_str(); %};
+    std::string                 name()          %code%{ RETVAL = THIS->name; %};
+    std::string                 file()          %code%{ RETVAL = THIS->file; %};
 
     bool                        loaded()        %code%{ RETVAL = THIS->loaded;      %};