diff --git a/pcbnew/plugins/cadstar/cadstar_pcb_archive_loader.cpp b/pcbnew/plugins/cadstar/cadstar_pcb_archive_loader.cpp
index bb80d8ca95..089338a854 100644
--- a/pcbnew/plugins/cadstar/cadstar_pcb_archive_loader.cpp
+++ b/pcbnew/plugins/cadstar/cadstar_pcb_archive_loader.cpp
@@ -594,9 +594,8 @@ void CADSTAR_PCB_ARCHIVE_LOADER::loadDesignRules()
 
     applyNetClassRule( "T_T", ds.GetDefault(), &::NETCLASS::SetClearance );
 
-    wxLogWarning( _( "KiCad design rules are different from CADSTAR ones. Only the compatible "
-                     "design rules were imported. It is recommended that you review the design "
-                     "rules that have been applied." ) );
+    mBoard->m_LegacyNetclassesLoaded = true;
+
     wxLogWarning( _( "KiCad design rules are different from CADSTAR ones. Only the compatible "
                      "design rules were imported. It is recommended that you review the design "
                      "rules that have been applied." ) );