diff --git a/routing/payment_lifecycle_test.go b/routing/payment_lifecycle_test.go
index 81c88ee3b..b34c63eb6 100644
--- a/routing/payment_lifecycle_test.go
+++ b/routing/payment_lifecycle_test.go
@@ -473,6 +473,9 @@ func testPaymentLifecycle(t *testing.T, test paymentLifecycleTestCase,
 				return next, nil
 			},
 			Clock: clock.NewTestClock(time.Unix(1, 0)),
+			IsAlias: func(scid lnwire.ShortChannelID) bool {
+				return false
+			},
 		})
 		if err != nil {
 			t.Fatalf("unable to create router %v", err)
diff --git a/routing/router.go b/routing/router.go
index 71e72c3d1..9e97291e0 100644
--- a/routing/router.go
+++ b/routing/router.go
@@ -358,6 +358,10 @@ type Config struct {
 	// Otherwise, we'll only prune the channel when both edges have a very
 	// dated last update.
 	StrictZombiePruning bool
+
+	// IsAlias returns whether a passed ShortChannelID is an alias. This is
+	// only used for our local channels.
+	IsAlias func(scid lnwire.ShortChannelID) bool
 }
 
 // EdgeLocator is a struct used to identify a specific edge.
@@ -1455,8 +1459,12 @@ func (r *ChannelRouter) processUpdate(msg interface{},
 		// If AssumeChannelValid is present, then we are unable to
 		// perform any of the expensive checks below, so we'll
 		// short-circuit our path straight to adding the edge to our
-		// graph.
-		if r.cfg.AssumeChannelValid {
+		// graph. If the passed ShortChannelID is an alias, then we'll
+		// skip validation as it will not map to a legitimate tx. This
+		// is not a DoS vector as only we can add an alias
+		// ChannelAnnouncement from the gossiper.
+		scid := lnwire.NewShortChanIDFromInt(msg.ChannelID)
+		if r.cfg.AssumeChannelValid || r.cfg.IsAlias(scid) {
 			if err := r.cfg.Graph.AddChannelEdge(msg, op...); err != nil {
 				return fmt.Errorf("unable to add edge: %v", err)
 			}
diff --git a/routing/router_test.go b/routing/router_test.go
index 4ffee7be7..a5425a3db 100644
--- a/routing/router_test.go
+++ b/routing/router_test.go
@@ -82,6 +82,9 @@ func (c *testCtx) RestartRouter(t *testing.T) {
 		Control:            makeMockControlTower(),
 		ChannelPruneExpiry: time.Hour * 24,
 		GraphPruneInterval: time.Hour * 2,
+		IsAlias: func(scid lnwire.ShortChannelID) bool {
+			return false
+		},
 	})
 	require.NoError(t, err, "unable to create router")
 	require.NoError(t, router.Start(), "unable to start router")
@@ -165,6 +168,9 @@ func createTestCtxFromGraphInstanceAssumeValid(t *testing.T,
 		Clock:               clock.NewTestClock(time.Unix(1, 0)),
 		AssumeChannelValid:  assumeValid,
 		StrictZombiePruning: strictPruning,
+		IsAlias: func(scid lnwire.ShortChannelID) bool {
+			return false
+		},
 	})
 	require.NoError(t, err, "unable to create router")
 	require.NoError(t, router.Start(), "unable to start router")
@@ -1738,6 +1744,10 @@ func TestWakeUpOnStaleBranch(t *testing.T) {
 
 		// We'll set the delay to zero to prune immediately.
 		FirstTimePruneDelay: 0,
+
+		IsAlias: func(scid lnwire.ShortChannelID) bool {
+			return false
+		},
 	})
 	if err != nil {
 		t.Fatalf("unable to create router %v", err)
@@ -3485,6 +3495,10 @@ func TestSendMPPaymentSucceed(t *testing.T) {
 			next := atomic.AddUint64(&uniquePaymentID, 1)
 			return next, nil
 		},
+
+		IsAlias: func(scid lnwire.ShortChannelID) bool {
+			return false
+		},
 	})
 	require.NoError(t, err, "failed to create router")
 
@@ -3648,6 +3662,10 @@ func TestSendMPPaymentSucceedOnExtraShards(t *testing.T) {
 			next := atomic.AddUint64(&uniquePaymentID, 1)
 			return next, nil
 		},
+
+		IsAlias: func(scid lnwire.ShortChannelID) bool {
+			return false
+		},
 	})
 	require.NoError(t, err, "failed to create router")
 
@@ -3856,6 +3874,10 @@ func TestSendMPPaymentFailed(t *testing.T) {
 			next := atomic.AddUint64(&uniquePaymentID, 1)
 			return next, nil
 		},
+
+		IsAlias: func(scid lnwire.ShortChannelID) bool {
+			return false
+		},
 	})
 	require.NoError(t, err, "failed to create router")
 
@@ -4056,6 +4078,10 @@ func TestSendMPPaymentFailedWithShardsInFlight(t *testing.T) {
 			next := atomic.AddUint64(&uniquePaymentID, 1)
 			return next, nil
 		},
+
+		IsAlias: func(scid lnwire.ShortChannelID) bool {
+			return false
+		},
 	})
 	require.NoError(t, err, "failed to create router")
 
diff --git a/server.go b/server.go
index da69c02b0..0f79612b9 100644
--- a/server.go
+++ b/server.go
@@ -920,6 +920,7 @@ func newServer(cfg *Config, listenAddrs []net.Addr,
 		PathFindingConfig:   pathFindingConfig,
 		Clock:               clock.NewDefaultClock(),
 		StrictZombiePruning: strictPruning,
+		IsAlias:             aliasmgr.IsAlias,
 	})
 	if err != nil {
 		return nil, fmt.Errorf("can't create router: %v", err)