diff --git a/power-660.c b/power-660.c
index a0b81f9..043e93d 100644
--- a/power-660.c
+++ b/power-660.c
@@ -36,6 +36,8 @@
 #include <fcntl.h>
 #include <dlfcn.h>
 #include <stdlib.h>
+#include <pthread.h>
+#include <unistd.h>
 
 #define LOG_TAG "QTI PowerHAL"
 #include <utils/Log.h>