diff --git a/ChangeLog b/ChangeLog
index 9c5073c10..22130d062 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-12-14  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* grub-core/osdep/exec.c: Use unix version on cygwin.
+
 2013-12-13  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	Implement multiboot2 EFI BS specification.
diff --git a/grub-core/osdep/exec.c b/grub-core/osdep/exec.c
index b5f532a3e..9dcd926c1 100644
--- a/grub-core/osdep/exec.c
+++ b/grub-core/osdep/exec.c
@@ -1,3 +1,3 @@
-#if !defined (__MINGW32__) && !defined (__CYGWIN__) && !defined (__AROS__)
+#if (!defined (__MINGW32__) || defined (__CYGWIN__)) && !defined (__AROS__)
 #include "unix/exec.c"
 #endif