diff --git a/plugins/quectel.c b/plugins/quectel.c
index 278f5f18..bddf6a17 100644
--- a/plugins/quectel.c
+++ b/plugins/quectel.c
@@ -30,6 +30,7 @@
 
 #include <sys/stat.h>
 #include <sys/ioctl.h>
+#include <sys/socket.h>
 #include <linux/tty.h>
 #include <linux/gsmmux.h>
 #include <ell/ell.h>