diff --git a/ao-play-async/.gitignore b/ao-play-async/.gitignore
index 4a0b530..89bb15a 100644
--- a/ao-play-async/.gitignore
+++ b/ao-play-async/.gitignore
@@ -72,3 +72,4 @@ CMakeLists.txt.user*
 *.dll
 *.exe
 
+build
\ No newline at end of file