diff --git a/libs/geom/include/psemek/geom/quaternion.hpp b/libs/geom/include/psemek/geom/quaternion.hpp
index 497178de..c794ce96 100644
--- a/libs/geom/include/psemek/geom/quaternion.hpp
+++ b/libs/geom/include/psemek/geom/quaternion.hpp
@@ -2,6 +2,8 @@
 
 #include <psemek/geom/vector.hpp>
 #include <psemek/geom/math.hpp>
+#include <psemek/geom/matrix.hpp>
+#include <psemek/geom/interval.hpp>
 
 namespace psemek::geom
 {