diff --git a/test/test-spawn.c b/test/test-spawn.c
index a229d225f..d3c0693b6 100644
--- a/test/test-spawn.c
+++ b/test/test-spawn.c
@@ -988,7 +988,8 @@ TEST_IMPL(environment_creation) {
       }
     }
     if (prev) { /* verify sort order -- requires Vista */
-#if _WIN32_WINNT >= 0x0600
+#if _WIN32_WINNT >= 0x0600 && \
+    (!defined(__MINGW32__) || defined(__MINGW64_VERSION_MAJOR))
       ASSERT(CompareStringOrdinal(prev, -1, str, -1, TRUE) == 1);
 #endif
     }