diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index fc377f7cefb..a14f6ff41d6 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2009-05-12  David Billinghurst <billingd@gcc.gnu.org>
+
+	* gfortran.dg/default_format_1.f90: XFAIL on cygwin. 
+
 2009-05-12  David Billinghurst <billingd@gcc.gnu.org>
 
 	* lib/target-supports.exp (check_profiling_available): Return
diff --git a/gcc/testsuite/gfortran.dg/default_format_1.f90 b/gcc/testsuite/gfortran.dg/default_format_1.f90
index 1c6e71ebc71..75f08af0f8d 100644
--- a/gcc/testsuite/gfortran.dg/default_format_1.f90
+++ b/gcc/testsuite/gfortran.dg/default_format_1.f90
@@ -1,6 +1,7 @@
-! { dg-do run { xfail spu-*-* } }
+! { dg-do run { xfail spu-*-* *-*-cygwin* } }
 ! Test XFAILed on Darwin because the system's printf() lacks
-! proper support for denormals.
+! proper support for denormals. XFAILed on cygwin as the result
+! is off by one bit in some cases.
 !
 ! This tests that the default formats for formatted I/O of reals are
 ! wide enough and have enough precision, by checking that values can