diff --git a/src/test/resources/harness-config.yml b/src/test/resources/harness-config.yml
index 317fc4f4a..5d2546827 100644
--- a/src/test/resources/harness-config.yml
+++ b/src/test/resources/harness-config.yml
@@ -312,7 +312,7 @@ databasesUnderTest:
   - name: informix
     prefix: docker
     version: 14
-    url: jdbc:informix-sqli://localhost:9088/sysmaster:INFORMIXSERVER=informix;
+    url: jdbc:informix-sqli://localhost:9088/testdb:INFORMIXSERVER=informix;
     username: informix
     password: in4mix