diff --git a/src/openrct2-ui/WindowManager.cpp b/src/openrct2-ui/WindowManager.cpp
index fa9891bc20..bd3cc18042 100644
--- a/src/openrct2-ui/WindowManager.cpp
+++ b/src/openrct2-ui/WindowManager.cpp
@@ -238,7 +238,12 @@ public:
                 TrackDesign* trackDesign = static_cast<TrackDesign*>(intent->GetPointerExtra(INTENT_EXTRA_TRACK_DESIGN));
                 auto* w = window_loadsave_open(
                     type, defaultName,
-                    [callback](int32_t result, std::string_view path) { callback(result, std::string(path).c_str()); },
+                    [callback](int32_t result, std::string_view path) {
+                        if (callback != nullptr)
+                        {
+                            callback(result, std::string(path).c_str());
+                        }
+                    },
                     trackDesign);
                 return w;
             }