diff --git a/source/rayfork.c b/source/rayfork.c
index 7832332..8eb026b 100644
--- a/source/rayfork.c
+++ b/source/rayfork.c
@@ -8,6 +8,6 @@
 #include "rayfork-gfx.c"
 #endif
 
-#if defined(RAYFORK_NO_AUDIO)
+#if !defined(RAYFORK_NO_AUDIO)
 #include "rayfork-audio.c"
-#endif
\ No newline at end of file
+#endif