diff --git a/assets/client.go b/assets/client.go
index 6b8b514f..2d963bb0 100644
--- a/assets/client.go
+++ b/assets/client.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/hex"
 	"fmt"
+	"math"
 	"os"
 	"path/filepath"
 	"sync"
@@ -78,14 +79,19 @@ type TapdClient struct {
 	rfqrpc.RfqClient
 	universerpc.UniverseClient
 
-	cfg            *TapdConfig
-	assetNameCache map[string]string
-	assetNameMutex sync.Mutex
-	cc             *grpc.ClientConn
+	rfqTimeoutSeconds uint32
+	assetNameCache    map[string]string
+	assetNameMutex    sync.Mutex
+	cc                *grpc.ClientConn
 }
 
 // NewTapdClient returns a new taproot assets client.
 func NewTapdClient(config *TapdConfig) (*TapdClient, error) {
+	rfqTimeoutSeconds, err := getRfqTimeoutSeconds(config.RFQtimeout)
+	if err != nil {
+		return nil, err
+	}
+
 	// Create the client connection to the server.
 	conn, err := getClientConn(config)
 	if err != nil {
@@ -96,7 +102,7 @@ func NewTapdClient(config *TapdConfig) (*TapdClient, error) {
 	client := &TapdClient{
 		assetNameCache:             make(map[string]string),
 		cc:                         conn,
-		cfg:                        config,
+		rfqTimeoutSeconds:          rfqTimeoutSeconds,
 		TaprootAssetsClient:        taprpc.NewTaprootAssetsClient(conn),
 		TaprootAssetChannelsClient: tapchannelrpc.NewTaprootAssetChannelsClient(conn),
 		PriceOracleClient:          priceoraclerpc.NewPriceOracleClient(conn),
@@ -139,7 +145,7 @@ func (c *TapdClient) GetRfqForAsset(ctx context.Context,
 			PeerPubKey:     peerPubkey,
 			PaymentMaxAmt:  uint64(paymentMaxAmt),
 			Expiry:         uint64(expiry),
-			TimeoutSeconds: uint32(c.cfg.RFQtimeout.Seconds()),
+			TimeoutSeconds: c.rfqTimeoutSeconds,
 		})
 	if err != nil {
 		return nil, err
@@ -220,7 +226,7 @@ func (c *TapdClient) GetAssetPrice(ctx context.Context, assetID string,
 			},
 			PaymentMaxAmt:  uint64(msatAmt),
 			Expiry:         uint64(rfqExpiry),
-			TimeoutSeconds: uint32(c.cfg.RFQtimeout.Seconds()),
+			TimeoutSeconds: c.rfqTimeoutSeconds,
 			PeerPubKey:     peerPubkey,
 		})
 	if err != nil {
@@ -288,6 +294,26 @@ func getPaymentMaxAmount(satAmount btcutil.Amount, feeLimitMultiplier float64) (
 	)
 }
 
+// getRfqTimeoutSeconds converts the configured RFQ timeout to the whole
+// seconds accepted by tapd. Fractional seconds are rounded up so tapd's
+// timeout is never shorter than the configured duration.
+func getRfqTimeoutSeconds(timeout time.Duration) (uint32, error) {
+	if timeout <= 0 {
+		return 0, fmt.Errorf("RFQ timeout must be greater than zero")
+	}
+
+	seconds := timeout / time.Second
+	if timeout%time.Second != 0 {
+		seconds++
+	}
+	if seconds > time.Duration(math.MaxUint32) {
+		return 0, fmt.Errorf("RFQ timeout exceeds maximum of %v seconds",
+			uint64(math.MaxUint32))
+	}
+
+	return uint32(seconds), nil
+}
+
 func getClientConn(config *TapdConfig) (*grpc.ClientConn, error) {
 	// Load the specified TLS certificate and build transport credentials.
 	creds, err := credentials.NewClientTLSFromFile(config.TLSPath, "")
diff --git a/assets/client_test.go b/assets/client_test.go
index 8fa79092..c23ab7f2 100644
--- a/assets/client_test.go
+++ b/assets/client_test.go
@@ -2,11 +2,13 @@ package assets
 
 import (
 	"encoding/pem"
+	"math"
 	"net/http"
 	"net/http/httptest"
 	"os"
 	"path/filepath"
 	"testing"
+	"time"
 
 	"github.com/btcsuite/btcd/btcutil"
 	"github.com/lightninglabs/taproot-assets/taprpc/rfqrpc"
@@ -141,6 +143,62 @@ func TestGetPaymentMaxAmount(t *testing.T) {
 	}
 }
 
+// TestGetRfqTimeoutSeconds verifies that configured durations are safely
+// converted to tapd's whole-second timeout field.
+func TestGetRfqTimeoutSeconds(t *testing.T) {
+	tests := []struct {
+		name            string
+		timeout         time.Duration
+		expectedSeconds uint32
+		expectError     bool
+	}{
+		{
+			name:            "whole seconds",
+			timeout:         60 * time.Second,
+			expectedSeconds: 60,
+		},
+		{
+			name:            "sub-second rounded up",
+			timeout:         time.Millisecond,
+			expectedSeconds: 1,
+		},
+		{
+			name:            "fractional second rounded up",
+			timeout:         time.Second + time.Nanosecond,
+			expectedSeconds: 2,
+		},
+		{
+			name:        "zero",
+			timeout:     0,
+			expectError: true,
+		},
+		{
+			name:        "negative",
+			timeout:     -time.Second,
+			expectError: true,
+		},
+		{
+			name: "overflow",
+			timeout: time.Duration(math.MaxUint32)*time.Second +
+				time.Nanosecond,
+			expectError: true,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			seconds, err := getRfqTimeoutSeconds(test.timeout)
+			if test.expectError {
+				require.Error(t, err)
+				return
+			}
+
+			require.NoError(t, err)
+			require.Equal(t, test.expectedSeconds, seconds)
+		})
+	}
+}
+
 func TestGetSatsFromAssetAmt(t *testing.T) {
 	tests := []struct {
 		assetAmt    uint64