1 files changed, 1 insertions, 1 deletions
diff --git a/Src/builtin.c b/Src/builtin.c
index 9184fd719..7af09737d 100644
--- a/Src/builtin.c
+++ b/Src/builtin.c
@@ -1064,7 +1064,7 @@ int
 fixdir(char *src)
 {
     char *dest = src, *d0 = dest;
-#ifdef __CYGWIN
+#ifdef __CYGWIN__
     char *s0 = src;
 #endif
     int ret = 0;