diff --git a/samples/irs-demo/web/src/test/kotlin/net/corda/irs/web/demo/IrsDemoClientApi.kt b/samples/irs-demo/web/src/test/kotlin/net/corda/irs/web/demo/IrsDemoClientApi.kt
index 9bebc4481c..eb51e47470 100644
--- a/samples/irs-demo/web/src/test/kotlin/net/corda/irs/web/demo/IrsDemoClientApi.kt
+++ b/samples/irs-demo/web/src/test/kotlin/net/corda/irs/web/demo/IrsDemoClientApi.kt
@@ -12,7 +12,7 @@ class IRSDemoClientApi(hostAndPort: NetworkHostAndPort) {
     private val api = HttpApi.fromHostAndPort(hostAndPort, apiRoot)
 
     fun runTrade(tradeId: String, oracleName: CordaX500Name) {
-        val fileContents = IOUtils.toString(javaClass.classLoader.getResourceAsStream("net/corda/irs/simulation/example-irs-trade.json"), Charsets.UTF_8.name())
+        val fileContents = IOUtils.toString(javaClass.classLoader.getResourceAsStream("net/corda/irs/web/simulation/example-irs-trade.json"), Charsets.UTF_8.name())
         val tradeFile = fileContents.replace("tradeXXX", tradeId).replace("oracleXXX", oracleName.toString())
         api.postJson("deals", tradeFile)
     }
diff --git a/samples/network-visualiser/src/main/kotlin/net/corda/netmap/simulation/IRSSimulation.kt b/samples/network-visualiser/src/main/kotlin/net/corda/netmap/simulation/IRSSimulation.kt
index 1ad0942057..aeab972aca 100644
--- a/samples/network-visualiser/src/main/kotlin/net/corda/netmap/simulation/IRSSimulation.kt
+++ b/samples/network-visualiser/src/main/kotlin/net/corda/netmap/simulation/IRSSimulation.kt
@@ -129,7 +129,9 @@ class IRSSimulation(networkSendManuallyPumped: Boolean, runAsync: Boolean, laten
         // have the convenient copy() method that'd let us make small adjustments. Instead they're partly mutable.
         // TODO: We should revisit this in post-Excalibur cleanup and fix, e.g. by introducing an interface.
 
-        val irs = om.readValue<InterestRateSwap.State>(javaClass.classLoader.getResourceAsStream("net/corda/irs/web/simulation/trade.json")
+        val resourceAsStream = javaClass.classLoader.getResourceAsStream("net/corda/irs/web/simulation/trade.json")
+                ?: error("Trade representation cannot be loaded.")
+        val irs = om.readValue<InterestRateSwap.State>(resourceAsStream
                 .reader()
                 .readText()
                 .replace("oracleXXX", RatesOracleNode.RATES_SERVICE_NAME.toString()))
diff --git a/samples/irs-demo/web/src/test/resources/net/corda/irs/web/simulation/trade.json b/samples/network-visualiser/src/main/resources/net/corda/irs/web/simulation/trade.json
similarity index 100%
rename from samples/irs-demo/web/src/test/resources/net/corda/irs/web/simulation/trade.json
rename to samples/network-visualiser/src/main/resources/net/corda/irs/web/simulation/trade.json