diff --git a/sys/contrib/octeon-sdk/cvmx-usbd.c b/sys/contrib/octeon-sdk/cvmx-usbd.c
index 85b8013e65a..863dc32a331 100644
--- a/sys/contrib/octeon-sdk/cvmx-usbd.c
+++ b/sys/contrib/octeon-sdk/cvmx-usbd.c
@@ -245,7 +245,7 @@ int cvmx_usbd_initialize(cvmx_usbd_state_t *usb,
     if (cvmx_unlikely(flags & CVMX_USBD_INITIALIZE_FLAGS_DEBUG))
         cvmx_dprintf("%s: Called\n", __FUNCTION__);
 
-    memset(usb, 0, sizeof(usb));
+    memset(usb, 0, sizeof(*usb));
     usb->init_flags = flags;
     usb->index = usb_port_number;