diff --git a/Makefile b/Makefile
index a2a03ec..01f0121 100644
--- a/Makefile
+++ b/Makefile
@@ -56,6 +56,9 @@
 ifdef CONFIG_WIN32
 BLOCK_OBJS += block-raw-win32.o
 else
+ifdef CONFIG_AIO
+BLOCK_OBJS += posix-aio-compat.o
+endif
 BLOCK_OBJS += block-raw-posix.o
 endif