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 2f53e80e02..8aa433ad8d 100644
--- a/doorman/src/test/kotlin/com/r3/corda/doorman/DoormanParametersTest.kt
+++ b/doorman/src/test/kotlin/com/r3/corda/doorman/DoormanParametersTest.kt
@@ -1,20 +1,24 @@
 package com.r3.corda.doorman
 
 import org.junit.Test
+import java.io.File
 import kotlin.test.assertEquals
 import kotlin.test.assertTrue
 
 class DoormanParametersTest {
+
+    private val testDummyPath = ".${File.separator}testDummyPath.jks"
+
     @Test
     fun `parse arg correctly`() {
-        val params = DoormanParameters(arrayOf("--keygen", "--keystorePath", "./testDummyPath.jks"))
+        val params = DoormanParameters(arrayOf("--keygen", "--keystorePath", testDummyPath))
         assertEquals(DoormanParameters.Mode.CA_KEYGEN, params.mode)
-        assertEquals("./testDummyPath.jks", params.keystorePath.toString())
+        assertEquals(testDummyPath, params.keystorePath.toString())
         assertEquals(0, params.port)
 
-        val params2 = DoormanParameters(arrayOf("--keystorePath", "./testDummyPath.jks", "--port", "1000"))
+        val params2 = DoormanParameters(arrayOf("--keystorePath", testDummyPath, "--port", "1000"))
         assertEquals(DoormanParameters.Mode.DOORMAN, params2.mode)
-        assertEquals("./testDummyPath.jks", params2.keystorePath.toString())
+        assertEquals(testDummyPath, params2.keystorePath.toString())
         assertEquals(1000, params2.port)
     }
 }