diff --git a/src/os2/font.cpp b/src/os2/font.cpp
index 16c1473d6a..4ed240007c 100644
--- a/src/os2/font.cpp
+++ b/src/os2/font.cpp
@@ -857,7 +857,7 @@ wxString wxNativeFontInfo::ToString() const
                 fa.usCodePage,
                 fa.lMatch,
                 fn.usWeightClass,
-                fa.szFacename);
+                (char *)fa.szFacename);
     return sStr;
 } // end of wxNativeFontInfo::ToString
 
diff --git a/src/os2/ownerdrw.cpp b/src/os2/ownerdrw.cpp
index d5d0db57c3..12790b51ce 100644
--- a/src/os2/ownerdrw.cpp
+++ b/src/os2/ownerdrw.cpp
@@ -351,7 +351,7 @@ bool wxOwnerDrawn::OnDrawItem( wxDC& rDC,
     ::GpiCharStringAt( rDC.GetHPS()
                       ,&vPntStart
                       ,sFullString.length()
-                      ,sFullString.wx_str()
+                      ,sFullString.char_str()
                      );
     if (bFoundMnemonic)
     {
@@ -389,7 +389,7 @@ bool wxOwnerDrawn::OnDrawItem( wxDC& rDC,
         ::GpiCharStringAt( rDC.GetHPS()
                           ,&vPntStart
                           ,sAccel.length()
-                          ,sAccel.wx_str()
+                          ,sAccel.char_str()
                          );
     }