diff --git a/sys/geom/multipath/g_multipath.c b/sys/geom/multipath/g_multipath.c
--- a/sys/geom/multipath/g_multipath.c
+++ b/sys/geom/multipath/g_multipath.c
@@ -394,6 +394,12 @@
 			mtx_unlock(&sc->sc_mtx);
 		} else
 			mtx_unlock(&sc->sc_mtx);
+		if (bp->bio_error == 0 &&
+			bp->bio_cmd == BIO_GETATTR &&
+			!strcmp(bp->bio_attribute, "GEOM::physpath"))
+		{
+			strlcat(bp->bio_data, "/mp", bp->bio_length);
+		}
 		g_std_done(bp);
 	}
 }
diff --git a/tests/sys/geom/class/multipath/misc.sh b/tests/sys/geom/class/multipath/misc.sh
--- a/tests/sys/geom/class/multipath/misc.sh
+++ b/tests/sys/geom/class/multipath/misc.sh
@@ -198,7 +198,7 @@
 atf_test_case physpath cleanup
 physpath_head()
 {
-	atf_set "descr" "gmultipath should pass through the underlying providers' physical path"
+	atf_set "descr" "gmultipath should append /mp to the underlying providers' physical path"
 	atf_set "require.user" "root"
 }
 physpath_body()
@@ -217,7 +217,7 @@
 	atf_check gnop create -z $physpath /dev/${md1}
 	atf_check -s exit:0 gmultipath create "$name" ${md0}.nop ${md1}.nop
 	gmultipath_physpath=$(diskinfo -p multipath/"$name") 
-	atf_check_equal "$physpath" "$gmultipath_physpath"
+	atf_check_equal "$physpath/mp" "$gmultipath_physpath"
 }
 physpath_cleanup()
 {