diff --git a/src/main/java/org/apache/solr/mcf/ManifoldCFQParserPlugin.java b/src/main/java/org/apache/solr/mcf/ManifoldCFQParserPlugin.java
index e67868f..209d03f 100644
--- a/src/main/java/org/apache/solr/mcf/ManifoldCFQParserPlugin.java
+++ b/src/main/java/org/apache/solr/mcf/ManifoldCFQParserPlugin.java
@@ -171,7 +171,7 @@
         while (true)
         {
           String userName = params.get(AUTHENTICATED_USER_NAME_PREFIX+i);
-          String domain = params.get(AUTHENTICATED_USER_DOMAIN+i);
+          String domain = params.get(AUTHENTICATED_USER_DOMAIN_PREFIX+i);
           if (userName == null)
             break;
           if (domain == null)
diff --git a/src/main/java/org/apache/solr/mcf/ManifoldCFSearchComponent.java b/src/main/java/org/apache/solr/mcf/ManifoldCFSearchComponent.java
index c0bf115..be7bc8d 100644
--- a/src/main/java/org/apache/solr/mcf/ManifoldCFSearchComponent.java
+++ b/src/main/java/org/apache/solr/mcf/ManifoldCFSearchComponent.java
@@ -172,7 +172,7 @@
       while (true)
       {
         String userName = params.get(AUTHENTICATED_USER_NAME_PREFIX+i);
-        String domain = params.get(AUTHENTICATED_USER_DOMAIN+i);
+        String domain = params.get(AUTHENTICATED_USER_DOMAIN_PREFIX+i);
         if (userName == null)
           break;
         if (domain == null)