diff --git a/sys/dev/pdq/pdq_ifsubr.c b/sys/dev/pdq/pdq_ifsubr.c
index 74498780a191..ea7bdffeaa2d 100644
--- a/sys/dev/pdq/pdq_ifsubr.c
+++ b/sys/dev/pdq/pdq_ifsubr.c
@@ -372,6 +372,7 @@ pdq_ifattach(
     ifp->if_ioctl = pdq_ifioctl;
     ifp->if_output = fddi_output;
     ifp->if_start = pdq_ifstart;
+    ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
 #warning "Implement fddi_resolvemulti!"
 /*    ifp->if_resolvemulti = ether_resolvemulti; XXX */