diff --git a/lwk/lwkwallet.go b/lwk/lwkwallet.go
index 227116f1..abdb978b 100644
--- a/lwk/lwkwallet.go
+++ b/lwk/lwkwallet.go
@@ -226,7 +226,9 @@ func (r *LWKRpcWallet) SendRawTx(txHex string) (string, error) {
 func (r *LWKRpcWallet) getFeePerKb(ctx context.Context) SatPerKVByte {
 	feeBTCPerKb, err := r.electrumClient.GetFee(ctx, wallet.LiquidTargetBlocks)
 	// convert to sat per byte
-	satPerByte := uint64(float64(feeBTCPerKb) * math.Pow10(int(8)))
+	// 1 kb = 1000 bytes
+	var kb float64 = 1000
+	satPerByte := uint64(float64(feeBTCPerKb) * math.Pow10(int(8)) / kb)
 	if satPerByte < minimumSatPerByte {
 		satPerByte = minimumSatPerByte
 	}
diff --git a/test/lwk_cln_test.go b/test/lwk_cln_test.go
index 96382b8e..f0308363 100644
--- a/test/lwk_cln_test.go
+++ b/test/lwk_cln_test.go
@@ -94,4 +94,84 @@ func Test_ClnCln_LWK_SwapIn(t *testing.T) {
 		}()
 		preimageClaimTest(t, params)
 	})
+	t.Run("claim_coop", func(t *testing.T) {
+		t.Parallel()
+		require := require.New(t)
+
+		bitcoind, liquidd, lightningds, scid, electrs, lwk := clnclnLWKSetup(t, uint64(math.Pow10(9)))
+		defer func() {
+			if t.Failed() {
+				filter := os.Getenv("PEERSWAP_TEST_FILTER")
+				pprintFail(
+					tailableProcess{
+						p:     bitcoind.DaemonProcess,
+						lines: defaultLines,
+					},
+					tailableProcess{
+						p:     liquidd.DaemonProcess,
+						lines: defaultLines,
+					},
+					tailableProcess{
+						p:      lightningds[0].DaemonProcess,
+						filter: filter,
+						lines:  3000,
+					},
+					tailableProcess{
+						p:      lightningds[1].DaemonProcess,
+						filter: filter,
+						lines:  3000,
+					},
+					tailableProcess{
+						p:     electrs.Process,
+						lines: defaultLines,
+					},
+					tailableProcess{
+						p:     lwk.Process,
+						lines: defaultLines,
+					},
+				)
+			}
+		}()
+
+		var channelBalances []uint64
+		var walletBalances []uint64
+		for _, lightningd := range lightningds {
+			b, err := lightningd.GetBtcBalanceSat()
+			require.NoError(err)
+			walletBalances = append(walletBalances, b)
+
+			b, err = lightningd.GetChannelBalanceSat(scid)
+			require.NoError(err)
+			channelBalances = append(channelBalances, b)
+		}
+
+		params := &testParams{
+			swapAmt:          channelBalances[0] / 2,
+			scid:             scid,
+			origTakerWallet:  walletBalances[0],
+			origMakerWallet:  walletBalances[1],
+			origTakerBalance: channelBalances[0],
+			origMakerBalance: channelBalances[1],
+			takerNode:        lightningds[0],
+			makerNode:        lightningds[1],
+			takerPeerswap:    lightningds[0].DaemonProcess,
+			makerPeerswap:    lightningds[1].DaemonProcess,
+			chainRpc:         liquidd.RpcProxy,
+			chaind:           liquidd,
+			confirms:         LiquidConfirms + 1,
+			csv:              LiquidCsv,
+			swapType:         swap.SWAPTYPE_IN,
+		}
+		asset := "lbtc"
+
+		// Do swap.
+		go func() {
+			var response map[string]interface{}
+			err := lightningds[1].Rpc.Request(&clightning.SwapIn{SatAmt: params.swapAmt, ShortChannelId: params.scid, Asset: asset}, &response)
+			require.NoError(err)
+
+		}()
+		coopClaimTest(t, params)
+	})
+
 }