diff --git a/test/v2/environment.cpp b/test/v2/environment.cpp
index 47f6390f..71dc5f3d 100644
--- a/test/v2/environment.cpp
+++ b/test/v2/environment.cpp
@@ -62,7 +62,8 @@ BOOST_AUTO_TEST_CASE(environment)
     ec.clear();
 
     for (auto && ke : bpe::current())
-      BOOST_CHECK_EQUAL(bpe::get(std::get<0>(ke)), std::get<1>(ke));
+      if (!std::get<1>(ke).empty())
+        BOOST_CHECK_EQUAL(bpe::get(std::get<0>(ke)), std::get<1>(ke));
 
 
 #if defined(BOOST_PROCESS_V2_POSIX)