diff --git a/omnij-rpc/src/main/groovy/foundation/omni/test/RegTestContext.groovy b/omnij-rpc/src/main/groovy/foundation/omni/test/RegTestContext.groovy
index 1b74bcc4..591c4791 100644
--- a/omnij-rpc/src/main/groovy/foundation/omni/test/RegTestContext.groovy
+++ b/omnij-rpc/src/main/groovy/foundation/omni/test/RegTestContext.groovy
@@ -10,7 +10,14 @@ import org.bitcoinj.params.RegTestParams
  */
 class RegTestContext {
     static setup(String user, String pass) {
-        def client = new OmniTestClient(RegTestParams.get(), RpcURI.defaultRegTestURI, user, pass)
+        // If Bitcoin Core 0.16.0 or greater, rpc port for RegTest has changed. ConsensusJ 0.5.0
+        // reflects this change, but Travis tests are still testing an old Omni Core.
+        // Previously Bitcoin Core (and Omni Core) used the same port as TESTNET for REGTEST
+        // This recentBitcoinCore hack allows those tests to pass until we update `travis.yml`
+        // and any other test configuration/infrastructure, etc.
+        def recentBitcoinCore = false;
+        URI regTestRpcUri = recentBitcoinCore ? RpcURI.defaultRegTestURI : RpcURI.defaultTestNetURI
+        def client = new OmniTestClient(RegTestParams.get(), regTestRpcUri, user, pass)
         def env = new RegTestEnvironment(client)
         def funder = new RegTestOmniFundingSource(client)
         return [client, env, funder]