diff --git a/eeschema/files-io.cpp b/eeschema/files-io.cpp
index bc08ab8573..09a521f8b3 100644
--- a/eeschema/files-io.cpp
+++ b/eeschema/files-io.cpp
@@ -812,16 +812,14 @@ bool SCH_EDIT_FRAME::SaveProject( bool aSaveAs )
 
 #if wxCHECK_VERSION( 3, 1, 7 )
         FILEDLG_HOOK_SAVE_PROJECT newProjectHook;
-        bool                     checkHook = false;
 #endif
 
+        // Add a "Create a project" checkbox in standalone mode and one isn't loaded
         if( Kiface().IsSingle() || aSaveAs )
         {
 #if wxCHECK_VERSION( 3, 1, 7 )
             dlg.SetCustomizeHook( newProjectHook );
-            checkHook = true;
 #else
-            // Add a "Create a project" checkbox in standalone mode and one isn't loaded
             dlg.SetExtraControlCreator( &LEGACYFILEDLG_SAVE_PROJECT::Create );
 #endif
         }
@@ -847,7 +845,7 @@ bool SCH_EDIT_FRAME::SaveProject( bool aSaveAs )
         }
 
 #if wxCHECK_VERSION( 3, 1, 7 )
-        if( checkHook )
+        if( newProjectHook.IsAttachedToDialog() )
             createNewProject = newProjectHook.GetCreateNewProject();
 #else
         if( wxWindow* ec = dlg.GetExtraControl() )
diff --git a/eeschema/widgets/filedlg_hook_save_project.h b/eeschema/widgets/filedlg_hook_save_project.h
index bbaccc09aa..0365012f68 100644
--- a/eeschema/widgets/filedlg_hook_save_project.h
+++ b/eeschema/widgets/filedlg_hook_save_project.h
@@ -31,6 +31,8 @@ public:
     {
         m_cb = customizer.AddCheckBox( _( "Create a new project for this schematic" ) );
         m_cb->SetValue( true );
+
+        m_controlsAttached = true;
     }
 
     virtual void TransferDataFromCustomControls() override
@@ -41,12 +43,16 @@ public:
     ///< Gets the selected state of the create new project option
     bool GetCreateNewProject() const { return m_createNewProject; }
 
-private:
-    bool m_createNewProject;
+    ///< Gets if this hook has attached controls to a dialog box
+    bool IsAttachedToDialog() const { return m_controlsAttached; }
 
-    wxFileDialogCheckBox* m_cb;
+private:
+    bool m_createNewProject = true;
+    bool m_controlsAttached = false;
+
+    wxFileDialogCheckBox* m_cb = nullptr;
 
     wxDECLARE_NO_COPY_CLASS( FILEDLG_HOOK_SAVE_PROJECT );
 };
 
-#endif
\ No newline at end of file
+#endif