diff --git a/include/boost/phoenix/version.hpp b/include/boost/phoenix/version.hpp
index 3293351..1dc9297 100644
--- a/include/boost/phoenix/version.hpp
+++ b/include/boost/phoenix/version.hpp
@@ -25,7 +25,7 @@
 #endif
 
 #ifdef BOOST_PHOENIX_HAVE_BOOST_PREDEF
-#define BOOST_PHOENIX_VERSION_NUMBER = BOOST_VERSION_NUMBER(3,0,4) 
+#define BOOST_PHOENIX_VERSION_NUMBER = BOOST_VERSION_NUMBER(3,0,4)
 #endif
 
 #endif