diff --git a/init/init_msm8974.cpp b/init/init_msm8974.cpp
index 8a5cee4..0807d89 100644
--- a/init/init_msm8974.cpp
+++ b/init/init_msm8974.cpp
@@ -30,6 +30,7 @@
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 #include <sys/stat.h>
 #include <sys/types.h>