diff --git a/hw/usb/host-linux.c b/hw/usb/host-linux.c
index a498840e0a..ad75ce0702 100644
--- a/hw/usb/host-linux.c
+++ b/hw/usb/host-linux.c
@@ -1314,7 +1314,7 @@ static int usb_host_open(USBHostDevice *dev, int bus_num,
 
     dev->bus_num = bus_num;
     dev->addr = addr;
-    strcpy(dev->port, port);
+    pstrcpy(dev->port, sizeof(dev->port), port);
     dev->fd = fd;
 
     /* read the device description */