diff --git a/src/main/java/com/google/appengine/gcloudapp/GCloudAppRun.java b/src/main/java/com/google/appengine/gcloudapp/GCloudAppRun.java
index 9c002c5..56052dd 100644
--- a/src/main/java/com/google/appengine/gcloudapp/GCloudAppRun.java
+++ b/src/main/java/com/google/appengine/gcloudapp/GCloudAppRun.java
@@ -371,14 +371,14 @@ protected ArrayList<String> getCommand(String appDir) throws MojoExecutionExcept
       devAppServerCommand.add(parts[1]);
     }
     if (api_host != null) {
-      String[] parts = host.split(":");
+      String[] parts = api_host.split(":");
       devAppServerCommand.add("--api_host");
       devAppServerCommand.add(parts[0]);
       devAppServerCommand.add("--api_port");
       devAppServerCommand.add(parts[1]);
     }
     if (admin_host != null) {
-      String[] parts = host.split(":");
+      String[] parts = admin_host.split(":");
       devAppServerCommand.add("--admin_host");
       devAppServerCommand.add(parts[0]);
       devAppServerCommand.add("--admin_port");