1 files changed, 1 insertions, 1 deletions
diff --git a/ast_expr2.c b/ast_expr2.c
index e68bd84a1..39928d5f7 100755
--- a/ast_expr2.c
+++ b/ast_expr2.c
@@ -132,7 +132,7 @@
 #include <string.h>
 #include <locale.h>
 #include <ctype.h>
-#ifndef SOLARIS
+#if !defined(SOLARIS) && !defined(__CYGWIN__)
 #include <err.h>
 #else
 #define quad_t int64_t