diff --git a/test/Object/check_binary_output.ll b/test/Object/check_binary_output.ll
index 567f18e65ba..02b52a3601c 100644
--- a/test/Object/check_binary_output.ll
+++ b/test/Object/check_binary_output.ll
@@ -1,4 +1,7 @@
 ; This is not an assembly file, this is just to run the test.
 ; The test verifies that llvm-ar produces a binary output.
 
+; FIXME: They malform LF into CRLF. Investigating.
+; XFAIL: mingw32,win32
+
 ;RUN: llvm-ar p %p/Inputs/GNU.a very_long_bytecode_file_name.bc | cmp -s %p/Inputs/very_long_bytecode_file_name.bc -