diff --git a/lnd_test.go b/lnd_test.go
index dd1c58785..285ccd106 100644
--- a/lnd_test.go
+++ b/lnd_test.go
@@ -234,7 +234,7 @@ func closeChannelAndAssert(ctx context.Context, t *harnessTest,
 		}
 	}
 
-	// Finally, generate a single block, wait for the final close status
+	// We'll now, generate a single block, wait for the final close status
 	// update, then ensure that the closing transaction was included in the
 	// block.
 	block := mineBlocks(t, net, 1)[0]
@@ -246,6 +246,32 @@ func closeChannelAndAssert(ctx context.Context, t *harnessTest,
 
 	assertTxInBlock(t, block, closingTxid)
 
+	// Finally, the transaction should no longer be in the pending close
+	// state as we've just mined a block that should include the closing
+	// transaction. This only applies for co-op close channels though.
+	if !force {
+		err = lntest.WaitPredicate(func() bool {
+			pendingChansRequest := &lnrpc.PendingChannelsRequest{}
+			pendingChanResp, err := node.PendingChannels(
+				ctx, pendingChansRequest,
+			)
+			if err != nil {
+				return false
+			}
+
+			for _, pendingClose := range pendingChanResp.PendingClosingChannels {
+				if pendingClose.Channel.ChannelPoint == chanPointStr {
+					return false
+				}
+			}
+
+			return true
+		}, time.Second*15)
+		if err != nil {
+			t.Fatalf("closing transaction not marked as fully closed")
+		}
+	}
+
 	return closingTxid
 }