diff --git a/Source/kwsys/kwsysPlatformCxxTests.cxx b/Source/kwsys/kwsysPlatformCxxTests.cxx
index f3814c0b3..5c1288ed4 100644
--- a/Source/kwsys/kwsysPlatformCxxTests.cxx
+++ b/Source/kwsys/kwsysPlatformCxxTests.cxx
@@ -117,7 +117,7 @@ void f(const T&, const Alloc&)
 };
 int main()
 {
-  f(0, std::allocator<char>());
+  f(0, kwsys_stl::allocator<char>());
   return 0;
 }
 #endif