diff --git a/stepmania/src/archutils/Win32/arch_setup.h b/stepmania/src/archutils/Win32/arch_setup.h
index 7723d4fee2..6556341964 100644
--- a/stepmania/src/archutils/Win32/arch_setup.h
+++ b/stepmania/src/archutils/Win32/arch_setup.h
@@ -23,6 +23,7 @@
 #define alloca _alloca
 #define stat _stat
 #define lstat _stat
+#define fsync _commit
 /* mkdir is missing the mode arg */
 #define mkdir(p,m) mkdir(p)