diff --git a/src/unix/utilsunx.cpp b/src/unix/utilsunx.cpp
index 2a403b1a4d..a0db944983 100644
--- a/src/unix/utilsunx.cpp
+++ b/src/unix/utilsunx.cpp
@@ -400,7 +400,7 @@ public:
 
         for ( int i = 0; i < m_argc; i++ )
         {
-            m_argv[i] = wxStrdup(args[i]);
+            m_argv[i] = wxStrdup(args[i].mb_str(wxConvWhateverWorks));
         }
     }