diff --git a/clientgui/AdvancedFrame.cpp b/clientgui/AdvancedFrame.cpp
index 932440b50b..938c0ea6b3 100644
--- a/clientgui/AdvancedFrame.cpp
+++ b/clientgui/AdvancedFrame.cpp
@@ -1491,14 +1491,14 @@ void CAdvancedFrame::OnLaunchNewInstance(wxCommandEvent& WXUNUSED(event)) {
     int prog;
 #endif
     int argc = 3;
-    char* argv[3];
+    char* const argv[3] = { 
+         const_cast<char *>("boincmgr"), 
+         const_cast<char *>("--multiple"), 
+         const_cast<char *>("") 
+    }; 
 
     wxString strExecutable = wxGetApp().GetRootDirectory() + wxGetApp().GetExecutableName();
 
-    argv[0] = "boincmgr";
-    argv[1] = "--multiple";
-    argv[2] = "";
-
     run_program(
         wxGetApp().GetRootDirectory().mb_str(),
         strExecutable.mb_str(),