diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5482a82..c4fdf7a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -159,4 +159,5 @@ endif ()
 
 if (USE_MINIAUDIO)
     target_include_directories(abaddon PUBLIC subprojects/miniaudio)
+    target_compile_definitions(abaddon PRIVATE WITH_MINIAUDIO)
 endif ()