diff --git a/fabcar/javascript/invoke.js b/fabcar/javascript/invoke.js
index a46d48c8..7e3a2aeb 100644
--- a/fabcar/javascript/invoke.js
+++ b/fabcar/javascript/invoke.js
@@ -30,7 +30,7 @@ async function main() {
 
         // Create a new gateway for connecting to our peer node.
         const gateway = new Gateway();
-        await gateway.connect(ccp, { wallet, identity: 'user1', discovery: { useLocalhost: true } });
+        await gateway.connect(ccp, { wallet, identity: 'user1', discovery: { enabled: false } });
 
         // Get the network (channel) our contract is deployed to.
         const network = await gateway.getNetwork('mychannel');
diff --git a/fabcar/javascript/query.js b/fabcar/javascript/query.js
index 5fc035e6..0014f3af 100644
--- a/fabcar/javascript/query.js
+++ b/fabcar/javascript/query.js
@@ -30,7 +30,7 @@ async function main() {
 
         // Create a new gateway for connecting to our peer node.
         const gateway = new Gateway();
-        await gateway.connect(ccp, { wallet, identity: 'user1' });
+        await gateway.connect(ccp, { wallet, identity: 'user1', discovery: { enabled: false } });
 
         // Get the network (channel) our contract is deployed to.
         const network = await gateway.getNetwork('mychannel');
diff --git a/fabcar/javascript/registerUser.js b/fabcar/javascript/registerUser.js
index ad916032..a65edd37 100644
--- a/fabcar/javascript/registerUser.js
+++ b/fabcar/javascript/registerUser.js
@@ -37,7 +37,7 @@ async function main() {
 
         // Create a new gateway for connecting to our peer node.
         const gateway = new Gateway();
-        await gateway.connect(ccp, { wallet, identity: 'admin' });
+        await gateway.connect(ccp, { wallet, identity: 'admin', discovery: { enabled: false } });
 
         // Get the CA client object from the gateway for interacting with the CA.
         const ca = gateway.getClient().getCertificateAuthority();
diff --git a/fabcar/typescript/src/invoke.ts b/fabcar/typescript/src/invoke.ts
index b4120df8..c1746f65 100644
--- a/fabcar/typescript/src/invoke.ts
+++ b/fabcar/typescript/src/invoke.ts
@@ -28,7 +28,7 @@ async function main() {
 
         // Create a new gateway for connecting to our peer node.
         const gateway = new Gateway();
-        await (gateway as any).connect(ccp, { wallet, identity: 'user1', discovery: { useLocalhost: true } });
+        await gateway.connect(ccp, { wallet, identity: 'user1', discovery: { enabled: false } });
 
         // Get the network (channel) our contract is deployed to.
         const network = await gateway.getNetwork('mychannel');
diff --git a/fabcar/typescript/src/query.ts b/fabcar/typescript/src/query.ts
index 7598077d..aa8fe1ea 100644
--- a/fabcar/typescript/src/query.ts
+++ b/fabcar/typescript/src/query.ts
@@ -28,7 +28,7 @@ async function main() {
 
         // Create a new gateway for connecting to our peer node.
         const gateway = new Gateway();
-        await gateway.connect(ccp, { wallet, identity: 'user1' });
+        await gateway.connect(ccp, { wallet, identity: 'user1', discovery: { enabled: false } });
 
         // Get the network (channel) our contract is deployed to.
         const network = await gateway.getNetwork('mychannel');
diff --git a/fabcar/typescript/src/registerUser.ts b/fabcar/typescript/src/registerUser.ts
index 3d253cf1..5f699c1f 100644
--- a/fabcar/typescript/src/registerUser.ts
+++ b/fabcar/typescript/src/registerUser.ts
@@ -35,7 +35,7 @@ async function main() {
 
         // Create a new gateway for connecting to our peer node.
         const gateway = new Gateway();
-        await gateway.connect(ccp, { wallet, identity: 'admin' });
+        await gateway.connect(ccp, { wallet, identity: 'admin', discovery: { enabled: false } });
 
         // Get the CA client object from the gateway for interacting with the CA.
         const ca = gateway.getClient().getCertificateAuthority();