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-rw-r--r--boost/xpressive/xpressive_fwd.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/boost/xpressive/xpressive_fwd.hpp b/boost/xpressive/xpressive_fwd.hpp
index 00c8c61506..8ae9035fe0 100644
--- a/boost/xpressive/xpressive_fwd.hpp
+++ b/boost/xpressive/xpressive_fwd.hpp
@@ -31,7 +31,7 @@
# define BOOST_XPRESSIVE_USE_C_TRAITS
#endif
-#if defined(BOOST_NO_CWCHAR) | defined(BOOST_NO_CWCTYPE) | defined(BOOST_NO_STD_WSTRING)
+#if defined(BOOST_NO_CWCHAR) || defined(BOOST_NO_CWCTYPE) || defined(BOOST_NO_STD_WSTRING)
# ifndef BOOST_XPRESSIVE_NO_WREGEX
# define BOOST_XPRESSIVE_NO_WREGEX
# endif