diff --git a/src/main/java/org/jenkinsci/plugins/liquibase/builder/AbstractLiquibaseBuilder.java b/src/main/java/org/jenkinsci/plugins/liquibase/builder/AbstractLiquibaseBuilder.java
index 8c1cd4f..b62d074 100644
--- a/src/main/java/org/jenkinsci/plugins/liquibase/builder/AbstractLiquibaseBuilder.java
+++ b/src/main/java/org/jenkinsci/plugins/liquibase/builder/AbstractLiquibaseBuilder.java
@@ -124,7 +124,7 @@ public void perform(@Nonnull Run<?, ?> build,
         if (!Strings.isNullOrEmpty(installation.getDatabaseDriverUrl())) {
             Iterable<String> urls = Splitter.on(",").trimResults().split(installation.getDatabaseDriverUrl());
             for (String url : urls) {
-                String filename = url.substring(installation.getDatabaseDriverUrl().lastIndexOf("/") + 1);
+                String filename = url.substring(url.lastIndexOf("/") + 1);
                 File localJar = new File(installation.getHome(), "lib/" + filename);
                 if (!localJar.exists()) {
                     log.println("Downloading " + url + " to " + localJar);