diff --git a/libs/geom/include/psemek/geom/gram_schmidt.hpp b/libs/geom/include/psemek/geom/gram_schmidt.hpp
index a0b94126..9d1b496d 100644
--- a/libs/geom/include/psemek/geom/gram_schmidt.hpp
+++ b/libs/geom/include/psemek/geom/gram_schmidt.hpp
@@ -5,7 +5,7 @@
 namespace psemek::geom
 {
 
-	void gram_schmidt()
+	inline void gram_schmidt()
 	{}
 
 	template <typename V1, typename ... Vs>