diff --git a/src/os2/utils.cpp b/src/os2/utils.cpp
index cc0812db27..9313677cec 100644
--- a/src/os2/utils.cpp
+++ b/src/os2/utils.cpp
@@ -241,7 +241,7 @@ bool wxGetEnv(const wxString& var, wxString *value)
 bool wxSetEnv(const wxString& variable, const wxChar *value)
 {
 #if defined(HAVE_SETENV)
-    return setenv(variable.mb_str(), value ? wxString(value).mb_str().data()
+    return setenv(variable.mb_str(), value ? wxString(value).mb_str()
                                            : NULL, 1 /* overwrite */) == 0;
 #elif defined(HAVE_PUTENV)
     wxString s = variable;