diff --git a/wexpect/wexpect_util.py b/wexpect/wexpect_util.py
index 7987c2d..79f9cd0 100644
--- a/wexpect/wexpect_util.py
+++ b/wexpect/wexpect_util.py
@@ -7,7 +7,7 @@
 The command line argument parsers, and the Exceptions placed here.
 
 """
-
+import platform
 import re
 import traceback
 import sys
@@ -16,7 +16,10 @@
 import signal
 
 # platform does not define VEOF so assume CTRL-D
-EOF_CHAR = b'\x04'
+if platform.uname().system == "Windows":
+    EOF_CHAR = b'^D'
+else:
+    EOF_CHAR = b'\x04'
 
 SIGNAL_CHARS = {
     signal.SIGTERM: b'\x011',  # Device control 1