diff --git a/3d-viewer/3d_canvas/eda_3d_canvas.cpp b/3d-viewer/3d_canvas/eda_3d_canvas.cpp
index 9abf179ac9..8b2ad00002 100644
--- a/3d-viewer/3d_canvas/eda_3d_canvas.cpp
+++ b/3d-viewer/3d_canvas/eda_3d_canvas.cpp
@@ -637,6 +637,9 @@ void EDA_3D_CANVAS::OnMagnify( wxMouseEvent& event )
 
 void EDA_3D_CANVAS::OnMouseMove( wxMouseEvent& event )
 {
+    if( m_3d_render && m_3d_render->IsReloadRequestPending() )
+        return; // Prevents using invalid m_3d_render_raytracing data
+
     if( m_camera_is_moving )
         return;