diff --git a/doorman/src/test/kotlin/com/r3/corda/doorman/DoormanParametersTest.kt b/doorman/src/test/kotlin/com/r3/corda/doorman/DoormanParametersTest.kt
index 132759747f..70fe824aab 100644
--- a/doorman/src/test/kotlin/com/r3/corda/doorman/DoormanParametersTest.kt
+++ b/doorman/src/test/kotlin/com/r3/corda/doorman/DoormanParametersTest.kt
@@ -1,24 +1,32 @@
 package com.r3.corda.doorman
 
+import com.typesafe.config.ConfigException
 import org.junit.Test
 import java.io.File
 import kotlin.test.assertEquals
+import kotlin.test.assertFailsWith
 
 class DoormanParametersTest {
-
     private val testDummyPath = ".${File.separator}testDummyPath.jks"
 
     @Test
     fun `parse arg correctly`() {
-        val ref = javaClass.getResource("/reference.conf")
+        val ref = javaClass.getResource("/node.conf")
         val params = DoormanParameters(arrayOf("--keygen", "--keystorePath", testDummyPath, "--configFile", ref.path))
         assertEquals(DoormanParameters.Mode.CA_KEYGEN, params.mode)
         assertEquals(testDummyPath, params.keystorePath.toString())
-        assertEquals(0, params.port)
+        assertEquals(8080, params.port)
 
         val params2 = DoormanParameters(arrayOf("--keystorePath", testDummyPath, "--port", "1000"))
         assertEquals(DoormanParameters.Mode.DOORMAN, params2.mode)
         assertEquals(testDummyPath, params2.keystorePath.toString())
         assertEquals(1000, params2.port)
     }
+
+    @Test
+    fun `should fail when config missing`() {
+        // dataSourceProperties is missing from node_fail.conf and it should fail when accessed, and shouldn't use default from reference.conf.
+        val params = DoormanParameters(arrayOf("--keygen", "--keystorePath", testDummyPath, "--configFile", javaClass.getResource("/node_fail.conf").path))
+        assertFailsWith<ConfigException.Missing> { params.dataSourceProperties }
+    }
 }
diff --git a/doorman/src/test/resources/node.conf b/doorman/src/test/resources/node.conf
new file mode 100644
index 0000000000..cab1f1cf81
--- /dev/null
+++ b/doorman/src/test/resources/node.conf
@@ -0,0 +1,13 @@
+keystorePath = "/opt/doorman/certificates/caKeystore.jks"
+keyStorePassword = "password"
+caPrivateKeyPassword = "password"
+host = "localhost"
+port = 8080
+h2port = 0
+
+dataSourceProperties {
+  "dataSourceClassName" = org.h2.jdbcx.JdbcDataSource
+  "dataSource.url" = "jdbc:h2:file:"${basedir}"/persistence;DB_CLOSE_ON_EXIT=FALSE;LOCK_TIMEOUT=10000;WRITE_DELAY=0;AUTO_SERVER_PORT="${h2port}
+  "dataSource.user" = sa
+  "dataSource.password" = ""
+}
diff --git a/doorman/src/test/resources/node_fail.conf b/doorman/src/test/resources/node_fail.conf
new file mode 100644
index 0000000000..0c6e89c3b3
--- /dev/null
+++ b/doorman/src/test/resources/node_fail.conf
@@ -0,0 +1,6 @@
+keystorePath = "/opt/doorman/certificates/caKeystore.jks"
+keyStorePassword = "password"
+caPrivateKeyPassword = "password"
+host = "localhost"
+port = 8080
+h2port = 0