diff --git a/include/boost/bind.hpp b/include/boost/bind.hpp
index 0e03b60..e8accaa 100644
--- a/include/boost/bind.hpp
+++ b/include/boost/bind.hpp
@@ -23,8 +23,8 @@
 
 #if defined(BOOST_CLANG)
 # pragma clang diagnostic push
-#  if  __has_warning("-Wheader-hygiene")
-#   pragma clang diagnostic ignored "-Wheader-hygiene"
+# if  __has_warning("-Wheader-hygiene")
+#  pragma clang diagnostic ignored "-Wheader-hygiene"
 # endif
 #endif