diff --git a/eo/app/gprop/vecop.h b/eo/app/gprop/vecop.h
index 6e45a5d5..7cd5a609 100644
--- a/eo/app/gprop/vecop.h
+++ b/eo/app/gprop/vecop.h
@@ -210,4 +210,5 @@ template<class T> T euclidean_distance(const vector<T>& v1,
 
 //-----------------------------------------------------------------------------
 
-#endif VECOP_H
+#endif
+