diff --git a/src/common/filefn.cpp b/src/common/filefn.cpp
index 2539acd9ab..1c498fa3b0 100644
--- a/src/common/filefn.cpp
+++ b/src/common/filefn.cpp
@@ -1474,7 +1474,13 @@ wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
 wxString wxGetCwd()
 {
     wxString str;
-    wxGetWorkingDirectory(wxStringBuffer(str, _MAXPATHLEN), _MAXPATHLEN);
+
+    // we can't create wxStringBuffer object inline: Sun CC generates buggy
+    // code in this case!
+    {
+        wxStringBuffer buf(str, _MAXPATHLEN);
+        wxGetWorkingDirectory(buf, _MAXPATHLEN);
+    }
 
     return str;
 }