diff --git a/src/java/org/apache/solr/core/MultiCore.java b/src/java/org/apache/solr/core/MultiCore.java
index b7dd528c2a9..06fbf7500e6 100644
--- a/src/java/org/apache/solr/core/MultiCore.java
+++ b/src/java/org/apache/solr/core/MultiCore.java
@@ -452,7 +452,7 @@ public class MultiCore
     XML.escapeAttributeValue(adminPath, writer);
     writer.write('\'');
     if (this.libDir != null) {
-      writer.write(" libDir='");
+      writer.write(" sharedLib='");
       XML.escapeAttributeValue(libDir, writer);
       writer.write('\'');
     }