diff --git a/mozilla/xpinstall/wizard/windows/nszip/nszip.cpp b/mozilla/xpinstall/wizard/windows/nszip/nszip.cpp
index 5e58005a049..2f5398eccab 100644
--- a/mozilla/xpinstall/wizard/windows/nszip/nszip.cpp
+++ b/mozilla/xpinstall/wizard/windows/nszip/nszip.cpp
@@ -199,3 +199,9 @@ void CNsZipApp::OnAppAbout()
 
 /////////////////////////////////////////////////////////////////////////////
 // CNsZipApp commands
+
+int APIENTRY
+WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
+{
+	return 0;  
+}