diff --git a/waflib/ansiterm.py b/waflib/ansiterm.py
index 97e4c44c..b6f389f0 100644
--- a/waflib/ansiterm.py
+++ b/waflib/ansiterm.py
@@ -17,7 +17,7 @@ from waflib.Utils import threading
 wlock = threading.Lock()
 
 try:
-	from ctypes import Structure, windll, c_short, c_ushort, c_ulong, c_int, byref, c_char, POINTER, c_long
+	from ctypes import Structure, windll, c_short, c_ushort, c_ulong, c_int, byref, c_wchar, POINTER, c_long
 except ImportError:
 
 	class AnsiTerm(object):
@@ -71,8 +71,8 @@ else:
 	windll.kernel32.GetConsoleScreenBufferInfo.restype = c_long
 	windll.kernel32.SetConsoleTextAttribute.argtypes = [c_ulong, c_ushort]
 	windll.kernel32.SetConsoleTextAttribute.restype = c_long
-	windll.kernel32.FillConsoleOutputCharacterA.argtypes = [c_ulong, c_char, c_ulong, POINTER(COORD), POINTER(c_ulong)]
-	windll.kernel32.FillConsoleOutputCharacterA.restype = c_long
+	windll.kernel32.FillConsoleOutputCharacterW.argtypes = [c_ulong, c_wchar, c_ulong, POINTER(COORD), POINTER(c_ulong)]
+	windll.kernel32.FillConsoleOutputCharacterW.restype = c_long
 	windll.kernel32.FillConsoleOutputAttribute.argtypes = [c_ulong, c_ushort, c_ulong, POINTER(COORD), POINTER(c_ulong) ]
 	windll.kernel32.FillConsoleOutputAttribute.restype = c_long
 	windll.kernel32.SetConsoleCursorPosition.argtypes = [c_ulong, POINTER(COORD) ]
@@ -126,7 +126,7 @@ else:
 				line_start = sbinfo.CursorPosition
 				line_length = sbinfo.Size.X - sbinfo.CursorPosition.X
 			chars_written = c_ulong()
-			windll.kernel32.FillConsoleOutputCharacterA(self.hconsole, c_char(' '), line_length, line_start, byref(chars_written))
+			windll.kernel32.FillConsoleOutputCharacterW(self.hconsole, c_wchar(' '), line_length, line_start, byref(chars_written))
 			windll.kernel32.FillConsoleOutputAttribute(self.hconsole, sbinfo.Attributes, line_length, line_start, byref(chars_written))
 
 		def clear_screen(self, param):
@@ -143,7 +143,7 @@ else:
 				clear_start = sbinfo.CursorPosition
 				clear_length = ((sbinfo.Size.X - sbinfo.CursorPosition.X) + sbinfo.Size.X * (sbinfo.Size.Y - sbinfo.CursorPosition.Y))
 			chars_written = c_ulong()
-			windll.kernel32.FillConsoleOutputCharacterA(self.hconsole, c_char(' '), clear_length, clear_start, byref(chars_written))
+			windll.kernel32.FillConsoleOutputCharacterW(self.hconsole, c_wchar(' '), clear_length, clear_start, byref(chars_written))
 			windll.kernel32.FillConsoleOutputAttribute(self.hconsole, sbinfo.Attributes, clear_length, clear_start, byref(chars_written))
 
 		def push_cursor(self, param):