diff --git a/android/system-emulator.c b/android/system-emulator.c
index 24f2741..299de0f 100644
--- a/android/system-emulator.c
+++ b/android/system-emulator.c
@@ -37,6 +37,8 @@
 #include <sys/param.h>
 #include <sys/socket.h>
 #include <sys/un.h>
+#include <sys/types.h>
+#include <sys/stat.h>
 
 #include "monitor/mainloop.h"
 
@@ -169,5 +171,7 @@ int main(int argc, char *argv[])
 
 	mainloop_add_fd(fd, EPOLLIN, system_socket_callback, NULL, NULL);
 
+	umask(0177);
+
 	return mainloop_run();
 }