diff --git a/eeschema/dialogs/dialog_sim_settings.h b/eeschema/dialogs/dialog_sim_settings.h
index 9549fe2f26..233c9de96c 100644
--- a/eeschema/dialogs/dialog_sim_settings.h
+++ b/eeschema/dialogs/dialog_sim_settings.h
@@ -65,6 +65,15 @@ public:
     bool TransferDataFromWindow() override;
     bool TransferDataToWindow() override;
 
+    // The default dialog Validate() calls the validators of all widgets.
+    // This is not what we want; We want only validators of the selected page
+    // of the notbooks. So disable the wxDialog::Validate(), and let our
+    // TransferDataFromWindow doing the job.
+    virtual bool Validate() override
+    {
+        return true;
+    }
+
     int ShowModal() override;
 
 private:
diff --git a/eeschema/dialogs/dialog_spice_model.h b/eeschema/dialogs/dialog_spice_model.h
index 7deda7e5b9..6dc388347c 100644
--- a/eeschema/dialogs/dialog_spice_model.h
+++ b/eeschema/dialogs/dialog_spice_model.h
@@ -76,8 +76,17 @@ private:
      */
     bool addPwlValue( const wxString& aTime, const wxString& aValue );
 
-    bool TransferDataFromWindow() override;
-    bool TransferDataToWindow() override;
+    virtual bool TransferDataFromWindow() override;
+    virtual bool TransferDataToWindow() override;
+
+    // The default dialog Validate() calls the validators of all widgets.
+    // This is not what we want; We want only validators of the selected page
+    // of the notbooks. So disable the wxDialog::Validate(), and let our
+    // TransferDataFromWindow doing the job.
+    virtual bool Validate() override
+    {
+        return true;
+    }
 
     virtual void onInitDlg( wxInitDialogEvent& event ) override
     {