diff --git a/config-mingw.mk b/config-mingw.mk
index 2881d312d..f3804d8fa 100644
--- a/config-mingw.mk
+++ b/config-mingw.mk
@@ -34,8 +34,8 @@ RUNNER_LINKFLAGS=$(LINKFLAGS)
 RUNNER_LIBS=-lws2_32
 RUNNER_SRC=test/runner-win.c
 
-uv.a: uv-win.o uv-common.o $(CARES_OBJS)
-	$(AR) rcs uv.a uv-win.o uv-common.o $(CARES_OBJS)
+uv.a: uv-win.o uv-common.o uv-eio.o eio/eio.o $(CARES_OBJS)
+	$(AR) rcs uv.a uv-win.o uv-common.o uv-eio.o eio/eio.o $(CARES_OBJS)
 
 uv-win.o: uv-win.c uv.h uv-win.h
 	$(CC) $(CFLAGS) -c uv-win.c -o uv-win.o
@@ -43,6 +43,17 @@ uv-win.o: uv-win.c uv.h uv-win.h
 uv-common.o: uv-common.c uv.h uv-win.h
 	$(CC) $(CFLAGS) -c uv-common.c -o uv-common.o
 
+EIO_CPPFLAGS += $(CPPFLAGS)
+EIO_CPPFLAGS += -DEIO_CONFIG_H=\"$(EIO_CONFIG)\"
+EIO_CPPFLAGS += -DEIO_STACKSIZE=65536
+EIO_CPPFLAGS += -D_GNU_SOURCE
+
+eio/eio.o: eio/eio.c
+	$(CC) $(EIO_CPPFLAGS) $(CFLAGS) -c eio/eio.c -o eio/eio.o
+
+uv-eio.o: uv-eio.c
+	$(CC) $(CPPFLAGS) -Ieio/ $(CFLAGS) -c uv-eio.c -o uv-eio.o
+
 clean-platform:
 	-rm -f c-ares/*.o
 
diff --git a/eio/xthread.h b/eio/xthread.h
index 0de1a3577..01e293350 100644
--- a/eio/xthread.h
+++ b/eio/xthread.h
@@ -22,7 +22,9 @@ typedef int ssize_t
 #endif
 
 #define NTDDI_VERSION NTDDI_WIN2K // needed to get win2000 api calls
+#ifndef _WIN32_WINNT
 #define _WIN32_WINNT 0x400
+#endif
 #include <stdio.h>//D
 #include <fcntl.h>
 #include <io.h>