diff -r 8a6a2d931bae -r d52f5d8e75e6 qmlfrontend/engine_interface.h
--- a/qmlfrontend/engine_interface.h	Sat Nov 12 15:40:20 2022 +0100
+++ b/qmlfrontend/engine_interface.h	Sat Nov 12 21:12:14 2022 +0100
@@ -35,7 +35,7 @@
 } PreviewInfo;
 
 typedef uint32_t hedgewars_engine_protocol_version_t();
-typedef EngineInstance* start_engine_t();
+typedef EngineInstance* start_engine_t(const char* data_path);
 typedef void generate_preview_t(EngineInstance* engine_state,
                                 PreviewInfo* preview);
 typedef void dispose_preview_t(EngineInstance* engine_state);