diff --git a/docs/source/running-the-demos.rst b/docs/source/running-the-demos.rst
index bd7137ad71..eccc1fda3a 100644
--- a/docs/source/running-the-demos.rst
+++ b/docs/source/running-the-demos.rst
@@ -104,7 +104,7 @@ To run from IntelliJ:
    The date change rolls the clock forwards and causes the nodes to agree on the fixings over a period.
 
 This demo also has a web app. To use this, run nodes and upload rates, then navigate to
-http://localhost:10007/web/irsdemo and http://localhost:10010/web/irsdemo to see each node's view of the ledger.
+http://localhost:10005/web/irsdemo and http://localhost:10007/web/irsdemo to see each node's view of the ledger.
 
 To use the web app, click the "Create Deal" button, fill in the form, then click the "Submit" button. You can then
 use the time controls at the top left of the home page to run the fixings. Click any individual trade in the blotter to view it.
@@ -340,12 +340,12 @@ To run from IntelliJ:
 
 Then, for all three:
 
-3. Browse to http://localhost:10007/web/simmvaluationdemo
+3. Browse to http://localhost:10005/web/simmvaluationdemo
 4. Select the counterparty (i.e. Bank B)
 5. Enter at least 3 trades - via the "Create New Trade" tab
 6. On the "Agree Valuations" tab, click the "Start Calculations" button
 
-Additionally, you can confirm that these trades are not visible from `Bank C's node <http://localhost:10013/web/simmvaluationdemo/>`_
-and are visible to `Bank B <http://localhost:10010/web/simmvaluationdemo/>`_.
+Additionally, you can confirm that these trades are not visible from `Bank C's node <http://localhost:10009/web/simmvaluationdemo/>`_
+and are visible to `Bank B <http://localhost:10007/web/simmvaluationdemo/>`_.
 
 Please note that any URL path information after `simmvaluationdemo` should not be bookmarked or navigated to directly, as it is only provided for aesthetic purposes.
diff --git a/samples/irs-demo/build.gradle b/samples/irs-demo/build.gradle
index 2e602cc2bb..2a3ef1b15e 100644
--- a/samples/irs-demo/build.gradle
+++ b/samples/irs-demo/build.gradle
@@ -71,7 +71,7 @@ task deployNodes(type: net.corda.plugins.Cordform, dependsOn: ['build']) {
         nearestCity "London"
         advertisedServices = ["corda.notary.validating", "corda.interest_rates"]
         artemisPort 10002
-        webPort 10004
+        webPort 10003
         cordapps = []
         useTestClock true
     }
@@ -79,8 +79,8 @@ task deployNodes(type: net.corda.plugins.Cordform, dependsOn: ['build']) {
         name "Bank A"
         nearestCity "London"
         advertisedServices = []
-        artemisPort 10005
-        webPort 10007
+        artemisPort 10004
+        webPort 10005
         cordapps = []
         useTestClock true
     }
@@ -89,7 +89,7 @@ task deployNodes(type: net.corda.plugins.Cordform, dependsOn: ['build']) {
         nearestCity "New York"
         advertisedServices = []
         artemisPort 10006
-        webPort 10010
+        webPort 10007
         cordapps = []
         useTestClock true
     }
diff --git a/samples/irs-demo/src/main/kotlin/net/corda/irs/IRSDemo.kt b/samples/irs-demo/src/main/kotlin/net/corda/irs/IRSDemo.kt
index 2a499aa2aa..35b185838d 100644
--- a/samples/irs-demo/src/main/kotlin/net/corda/irs/IRSDemo.kt
+++ b/samples/irs-demo/src/main/kotlin/net/corda/irs/IRSDemo.kt
@@ -30,8 +30,8 @@ fun main(args: Array<String>) {
     val role = options.valueOf(roleArg)!!
     val value = options.valueOf(valueArg)
     when (role) {
-        Role.UploadRates -> IRSDemoClientApi(HostAndPort.fromString("localhost:10004")).runUploadRates()
-        Role.Trade -> IRSDemoClientApi(HostAndPort.fromString("localhost:10007")).runTrade(value)
+        Role.UploadRates -> IRSDemoClientApi(HostAndPort.fromString("localhost:10003")).runUploadRates()
+        Role.Trade -> IRSDemoClientApi(HostAndPort.fromString("localhost:10005")).runTrade(value)
         Role.Date -> IRSDemoClientApi(HostAndPort.fromString("localhost:10007")).runDateChange(value)
     }
 }
diff --git a/samples/simm-valuation-demo/build.gradle b/samples/simm-valuation-demo/build.gradle
index a102750a56..18b4a68104 100644
--- a/samples/simm-valuation-demo/build.gradle
+++ b/samples/simm-valuation-demo/build.gradle
@@ -94,7 +94,7 @@ task deployNodes(type: net.corda.plugins.Cordform, dependsOn: ['build']) {
         nearestCity "London"
         advertisedServices = []
         artemisPort 10004
-        webPort 10007
+        webPort 10005
         cordapps = []
     }
     node {
@@ -102,7 +102,7 @@ task deployNodes(type: net.corda.plugins.Cordform, dependsOn: ['build']) {
         nearestCity "New York"
         advertisedServices = []
         artemisPort 10006
-        webPort 10010
+        webPort 10007
         cordapps = []
     }
     node {
@@ -110,7 +110,7 @@ task deployNodes(type: net.corda.plugins.Cordform, dependsOn: ['build']) {
         nearestCity "tokyo"
         advertisedServices = []
         artemisPort 10008
-        webPort 10013
+        webPort 10009
         cordapps = []
     }
 }