diff --git a/libstdc++-v3/include/bits/this_thread_sleep.h b/libstdc++-v3/include/bits/this_thread_sleep.h
index 86bc6ffd632..712de5a6ff9 100644
--- a/libstdc++-v3/include/bits/this_thread_sleep.h
+++ b/libstdc++-v3/include/bits/this_thread_sleep.h
@@ -105,8 +105,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 	    __now = _Clock::now();
 	  }
       }
-  } // namespace this_thread
 #endif // ! NO_SLEEP
+  } // namespace this_thread
 
   /// @}