diff --git a/config.mak.uname b/config.mak.uname
index 2f176759c0..59563f0a83 100644
--- a/config.mak.uname
+++ b/config.mak.uname
@@ -652,7 +652,7 @@ ifeq ($(uname_S),MINGW)
 	USE_WIN32_IPC = YesPlease
 	USE_WIN32_MMAP = YesPlease
 	MMAP_PREVENTS_DELETE = UnfortunatelyYes
-	USE_NED_ALLOCATOR = YesPlease
+	USE_MIMALLOC = YesPlease
 	UNRELIABLE_FSTAT = UnfortunatelyYes
 	OBJECT_CREATION_USES_RENAMES = UnfortunatelyNeedsTo
 	NO_REGEX = YesPlease
@@ -719,7 +719,6 @@ else
 		HAVE_LIBCHARSET_H = YesPlease
 		USE_GETTEXT_SCHEME = fallthrough
 		USE_LIBPCRE = YesPlease
-		USE_NED_ALLOCATOR = YesPlease
 		NO_PYTHON =
 		ifeq (/mingw64,$(subst 32,64,$(prefix)))
 			# Move system config into top-level /etc/