diff --git a/plugins/zzogl-pg/opengl/Win32/Conf.cpp b/plugins/zzogl-pg/opengl/Win32/Conf.cpp
index bb4f4e6cb7..3a7f5449d4 100644
--- a/plugins/zzogl-pg/opengl/Win32/Conf.cpp
+++ b/plugins/zzogl-pg/opengl/Win32/Conf.cpp
@@ -39,7 +39,7 @@ void SaveConfig()
 	WritePrivateProfileString(L"Settings", L"Bilinear", szValue, iniFile);
 	wxSprintf(szValue, L"%u", conf.zz_options);
 	WritePrivateProfileString(L"Settings", L"ZZOptions", szValue, iniFile);
-	wxSprintf(szValue, L"%u", conf.hacks);
+	wxSprintf(szValue, L"%u", conf.hacks._u32);
 	WritePrivateProfileString(L"Settings", L"AdvancedOptions", szValue, iniFile);
 	wxSprintf(szValue, L"%u", conf.width);
 	WritePrivateProfileString(L"Settings", L"Width", szValue, iniFile);