diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index 8e1bc94f..34aa7d15 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -30,6 +30,7 @@
 #include <cutils/str_parms.h>
 #include <audio_hw.h>
 #include <platform_api.h>
+#include <unistd.h>
 #include "platform.h"
 #include "audio_extn.h"
 #include "acdb.h"