1 files changed, 2 insertions, 0 deletions
diff --git a/ruby.c b/ruby.c
index 0288867fde..611d887cee 100644
--- a/ruby.c
+++ b/ruby.c
@@ -571,6 +571,8 @@ translit_char_bin(char *p, int from, int to)
 #endif
 
 #ifdef _WIN32
+# undef chdir
+# define chdir rb_w32_uchdir
 # define UTF8_PATH 1
 #endif