diff --git a/main.h b/main.h
index 7f4d04a0..53c7d63e 100644
--- a/main.h
+++ b/main.h
@@ -174,5 +174,6 @@ int end_flag_detected = FALSE;
 int jpeg_start = 0;
 #define CAMERA_TIMEOUT 10000 // 20000  // Camera timeout in milli seconds
 
-int battery_saver(int setting);
+void battery_saver(int setting);
+int battery_saver_check();