diff --git a/share/man/man9/pfil.9 b/share/man/man9/pfil.9
index 4416b3035bf3..b02ca89c5af8 100644
--- a/share/man/man9/pfil.9
+++ b/share/man/man9/pfil.9
@@ -207,7 +207,7 @@ This means that traffic may be dropped unconditionally for a short period
 of time.
 .Fn pfil_run_hooks
 will return
-.Dv ENOBUF
+.Dv ENOBUFS
 to indicate this.
 .Sh SEE ALSO
 .Xr bpf 4 ,