diff --git a/src/test/java/org/apache/lucene/util/AbstractRandomizedTest.java b/src/test/java/org/apache/lucene/util/AbstractRandomizedTest.java
index 4bc098af3ce..522bdc3d084 100644
--- a/src/test/java/org/apache/lucene/util/AbstractRandomizedTest.java
+++ b/src/test/java/org/apache/lucene/util/AbstractRandomizedTest.java
@@ -144,7 +144,8 @@ public abstract class AbstractRandomizedTest extends RandomizedTest {
      * @see #classRules
      */
     private static final String[] IGNORED_INVARIANT_PROPERTIES = {
-            "user.timezone", "java.rmi.server.randomIDs", "sun.nio.ch.bugLevel"
+            "user.timezone", "java.rmi.server.randomIDs", "sun.nio.ch.bugLevel",
+            "solr.directoryFactory", "solr.solr.home", "solr.data.dir" // these might be set by the LuceneTestCase -- ignore
     };
 
     // -----------------------------------------------------------------