diff --git a/src/slic3r/GUI/Camera.hpp b/src/slic3r/GUI/Camera.hpp
index 1f217be28..4b719dc23 100644
--- a/src/slic3r/GUI/Camera.hpp
+++ b/src/slic3r/GUI/Camera.hpp
@@ -56,9 +56,9 @@ public:
 
     Vec3d get_dir_right() const { return m_view_matrix.matrix().block(0, 0, 3, 3).row(0); }
     Vec3d get_dir_up() const { return m_view_matrix.matrix().block(0, 0, 3, 3).row(1); }
-    Vec3d get_dir_forward() const { return m_view_matrix.matrix().block(0, 0, 3, 3).row(2); }
+    Vec3d get_dir_forward() const { return -m_view_matrix.matrix().block(0, 0, 3, 3).row(2); }
 
-    Vec3d get_position() const { return m_view_matrix.matrix().block(0, 3, 3, 1); }
+    Vec3d get_position() const { return m_view_matrix.matrix().inverse().block(0, 3, 3, 1); }
 
     void apply_viewport(int x, int y, unsigned int w, unsigned int h) const;
     void apply_view_matrix() const;
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp b/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
index d118a6877..72db3a9dd 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
@@ -550,7 +550,7 @@ bool GLGizmoSlaSupports::gizmo_event(SLAGizmoEventType action, const Vec2d& mous
             const Selection& selection = m_parent.get_selection();
             const GLVolume* volume = selection.get_volume(*selection.get_volume_idxs().begin());
             const Transform3d& instance_matrix_no_translation_no_scaling = volume->get_instance_transformation().get_matrix(true,false,true);
-            Vec3f direction_to_camera = camera.get_dir_forward().cast<float>();
+            Vec3f direction_to_camera = -camera.get_dir_forward().cast<float>();
             Vec3f direction_to_camera_mesh = (instance_matrix_no_translation_no_scaling.inverse().cast<float>() * direction_to_camera).normalized().eval();
             Vec3f scaling = volume->get_instance_scaling_factor().cast<float>();
             direction_to_camera_mesh = Vec3f(direction_to_camera_mesh(0)*scaling(0), direction_to_camera_mesh(1)*scaling(1), direction_to_camera_mesh(2)*scaling(2));