diff --git a/src/jasper/player/CMakeLists.txt b/src/jasper/player/CMakeLists.txt
index 74d220a..9b852d1 100644
--- a/src/jasper/player/CMakeLists.txt
+++ b/src/jasper/player/CMakeLists.txt
@@ -18,6 +18,7 @@ endif()
 target_compile_definitions(
 	jasper PRIVATE
 		OLYMPIC_LOAD_KEEL_MODULES=$<BOOL:${LOAD_KEEL_MODS}>
+		OLYMPIC_GUI_APP=1
 )
 
 # enable LTO