diff --git a/include/boost/fusion/include/adapt_assoc_adt.hpp b/include/boost/fusion/include/adapt_assoc_adt.hpp
index 775057c0..ca379a9a 100644
--- a/include/boost/fusion/include/adapt_assoc_adt.hpp
+++ b/include/boost/fusion/include/adapt_assoc_adt.hpp
@@ -6,7 +6,7 @@
 ==============================================================================*/
 
 #ifndef BOOST_FUSION_INCLUDE_ADAPT_ASSOC_ADT_HPP
-#define BOOST_FUSION_INCLUDE_ADAPT_ASSOC_ADR_HPP
+#define BOOST_FUSION_INCLUDE_ADAPT_ASSOC_ADT_HPP
 
 #include <boost/fusion/support/config.hpp>
 #include <boost/fusion/adapted/adt/adapt_assoc_adt.hpp>