diff --git a/source/blender/editors/include/UI_interface.hh b/source/blender/editors/include/UI_interface.hh
index 39fc00af37a..1d6f2157bdd 100644
--- a/source/blender/editors/include/UI_interface.hh
+++ b/source/blender/editors/include/UI_interface.hh
@@ -296,4 +296,8 @@ blender::ui::AbstractTreeView *UI_block_add_view(
     blender::StringRef idname,
     std::unique_ptr<blender::ui::AbstractTreeView> tree_view);
 
-void UI_alert(bContext *C, std::string title, std::string message, eAlertIcon icon, bool compact);
+void UI_alert(bContext *C,
+              const std::string &title,
+              const std::string &message,
+              eAlertIcon icon,
+              bool compact);
diff --git a/source/blender/editors/interface/regions/interface_region_popup.cc b/source/blender/editors/interface/regions/interface_region_popup.cc
index 7f80375f2f0..3ec45ec50a6 100644
--- a/source/blender/editors/interface/regions/interface_region_popup.cc
+++ b/source/blender/editors/interface/regions/interface_region_popup.cc
@@ -1123,7 +1123,11 @@ static uiBlock *ui_alert_create(bContext *C, ARegion *region, void *user_data)
   return block;
 }
 
-void UI_alert(bContext *C, std::string title, std::string message, eAlertIcon icon, bool compact)
+void UI_alert(bContext *C,
+              const std::string &title,
+              const std::string &message,
+              const eAlertIcon icon,
+              const bool compact)
 {
   uiAlertData *data = MEM_new<uiAlertData>(__func__);
   data->title = title;