diff --git a/build.gradle b/build.gradle
index c63403d42d..cc280d8be6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -238,14 +238,16 @@ allprojects {
         jcenter()
         maven { url 'https://jitpack.io' }
         maven { url "$artifactory_contextUrl/corda-releases" } // cordform-common
-        maven {
-            // For integrationTest task when running against Oracle database the JDBC driver is in Oracle Maven repository with login access only,
-            // setup an account on https://login.oracle.com/oaam_server/login.do
-            // provide credentials to Gradle task by -PmavenOracleUsername=... -PmavenOraclePassword=...
-            url "https://www.oracle.com/content/secure/maven/content"
-            credentials {
-                username = project.findProperty("mavenOracleUsername") ?: ""
-                password = project.findProperty("mavenOraclePassword") ?: ""
+        if (project.hasProperty("mavenOracleUsername") && project.hasProperty("mavenOraclePassword")) {
+            maven {
+                // For integrationTest task when running against Oracle database the JDBC driver is in Oracle Maven repository with login access only,
+                // setup an account on https://login.oracle.com/oaam_server/login.do
+                // provide credentials to Gradle task by -PmavenOracleUsername=... -PmavenOraclePassword=...
+                url "https://www.oracle.com/content/secure/maven/content"
+                credentials {
+                    username = project.property("mavenOracleUsername")
+                    password = project.property("mavenOraclePassword")
+                }
             }
         }
     }