diff --git a/src/win32/thread.cpp b/src/win32/thread.cpp
index 0a8a3360..a50c3b7f 100644
--- a/src/win32/thread.cpp
+++ b/src/win32/thread.cpp
@@ -644,8 +644,8 @@ namespace boost
                 detail::get_current_thread_data()->interruption_enabled=false;
             }
         }
-    }
 #endif
+    }
 
     namespace detail
     {