diff --git a/src/generic/dirctrlg.cpp b/src/generic/dirctrlg.cpp
index 32c1cdc692..a91cf2608d 100644
--- a/src/generic/dirctrlg.cpp
+++ b/src/generic/dirctrlg.cpp
@@ -242,7 +242,7 @@ size_t wxGetAvailableDrives(wxArrayString &paths, wxArrayString &names, wxArrayI
                 !CFStringGetCString(cfstr, cstr, CFStringGetLength(cfstr) + 1,
                                     kCFStringEncodingMacRoman))
             {
-                CFRelease( cstr );
+                CFRelease( cfstr );
                 continue;
             }
             wxString name( cstr , wxConvLocal );