diff --git a/wscript_build.py b/wscript_build.py
index bbe367963f..5dc930c4f9 100644
--- a/wscript_build.py
+++ b/wscript_build.py
@@ -514,7 +514,8 @@ def build(ctx):
 
         ctx.env.WINDRES_FLAGS = [
             '--include-dir={0}'.format(ctx.bldnode.abspath()),
-            '--include-dir={0}'.format(ctx.srcnode.abspath())
+            '--include-dir={0}'.format(ctx.srcnode.abspath()),
+            '--codepage=65001' # Unicode codepage
         ]
 
         for node in 'osdep/mpv.exe.manifest etc/mpv-icon.ico'.split():