diff --git a/solr/core/src/java/org/apache/solr/search/join/BlockJoinParentQParser.java b/solr/core/src/java/org/apache/solr/search/join/BlockJoinParentQParser.java
index 1d73bbd78aa..b1b7e66a212 100644
--- a/solr/core/src/java/org/apache/solr/search/join/BlockJoinParentQParser.java
+++ b/solr/core/src/java/org/apache/solr/search/join/BlockJoinParentQParser.java
@@ -20,6 +20,8 @@
 import java.io.UncheckedIOException;
 import java.util.Objects;
 import org.apache.lucene.index.LeafReaderContext;
+import org.apache.lucene.search.BooleanClause;
+import org.apache.lucene.search.BooleanQuery;
 import org.apache.lucene.search.ConstantScoreScorer;
 import org.apache.lucene.search.ConstantScoreWeight;
 import org.apache.lucene.search.DocIdSetIterator;
@@ -38,10 +40,14 @@
 import org.apache.solr.request.SolrQueryRequest;
 import org.apache.solr.search.ExtendedQueryBase;
 import org.apache.solr.search.QParser;
+
+
 import org.apache.solr.search.SolrCache;
 import org.apache.solr.search.SyntaxError;
 import org.apache.solr.util.SolrDefaultScorerSupplier;
 
+import static org.apache.solr.search.QueryUtils.makeQueryable;
+
 public class BlockJoinParentQParser extends FiltersQParser {
   /** implementation detail subject to change */
   public static final String CACHE_NAME = "perSegFilter";
@@ -68,10 +74,22 @@ protected Query parseParentFilter() throws SyntaxError {
   }
 
   @Override
-  protected Query wrapSubordinateClause(Query subordinate) throws SyntaxError {
+  protected Query wrapSubordinateClause(Query childrenQuery) throws SyntaxError {
     String scoreMode = localParams.get("score", ScoreMode.None.name());
     Query parentQ = parseParentFilter();
-    return createQuery(parentQ, subordinate, scoreMode);
+
+    if (childrenQuery instanceof BooleanQuery bq) {
+
+      if (bq.clauses().size() == 1) {
+        BooleanClause bqToFix = bq.clauses().get(0);
+        Query fixChildQuery = makeQueryable(bqToFix.query());
+        BooleanQuery.Builder filterFixedChildrenQuery = new BooleanQuery.Builder();
+        filterFixedChildrenQuery.add(fixChildQuery, BooleanClause.Occur.FILTER);
+        return createQuery(parentQ, filterFixedChildrenQuery.build(), scoreMode);
+      }
+    }
+
+    return createQuery(parentQ, childrenQuery, scoreMode);
   }
 
   @Override
diff --git a/solr/core/src/test/org/apache/solr/search/join/BJQParserTest.java b/solr/core/src/test/org/apache/solr/search/join/BlockJoinQueryParserTest.java
similarity index 98%
rename from solr/core/src/test/org/apache/solr/search/join/BJQParserTest.java
rename to solr/core/src/test/org/apache/solr/search/join/BlockJoinQueryParserTest.java
index bed4212bbca..545f83d5879 100644
--- a/solr/core/src/test/org/apache/solr/search/join/BJQParserTest.java
+++ b/solr/core/src/test/org/apache/solr/search/join/BlockJoinQueryParserTest.java
@@ -42,7 +42,7 @@
 import org.junit.Test;
 import org.junit.rules.TestRule;
 
-public class BJQParserTest extends SolrTestCaseJ4 {
+public class BlockJoinQueryParserTest extends SolrTestCaseJ4 {
 
   private static final String[] klm = new String[] {"k", "l", "m"};
   private static final List<String> xyz = Arrays.asList("x", "y", "z");
@@ -163,7 +163,7 @@ public void testFull() {
         "//doc/arr[@name=\"parent_s\"]/str='c'",
         "//doc/arr[@name=\"parent_s\"]/str='d'",
         "//doc/arr[@name=\"parent_s\"]/str='e'",
-        "//doc/arr[@name=\"parent_s\"]/str='f'"
+        "//doc/arr[@name=\"parent_s\"]/str='f'",
       };
 
   @Test
@@ -639,6 +639,18 @@ public void testFiltersCache() throws SyntaxError, IOException {
     }
   }
 
+  @Test
+  public void testPureNegativeQueryInChildFilters() {
+    assertQ(
+        req(
+            "q", "{!parent tag=top filters=$childFq which=$pq}",
+            "pq", "parent_s:[* TO *]",
+            "childFq", "-child_s:l -child_s:k"
+        ),
+        "//*[@numFound='6']"
+    );
+  }
+
   @After
   public void cleanAfterTestFiltersCache() {
     assertU("should be noop", delI("12275"));
diff --git a/solr/core/src/test/org/apache/solr/search/join/another/BJQFilterAccessibleTest.java b/solr/core/src/test/org/apache/solr/search/join/another/BlockJoinQueryFilterAccessibleTest.java
similarity index 93%
rename from solr/core/src/test/org/apache/solr/search/join/another/BJQFilterAccessibleTest.java
rename to solr/core/src/test/org/apache/solr/search/join/another/BlockJoinQueryFilterAccessibleTest.java
index d6c5dcf3bb0..84cf45c3e22 100644
--- a/solr/core/src/test/org/apache/solr/search/join/another/BJQFilterAccessibleTest.java
+++ b/solr/core/src/test/org/apache/solr/search/join/another/BlockJoinQueryFilterAccessibleTest.java
@@ -17,7 +17,7 @@
 
 package org.apache.solr.search.join.another;
 
-import static org.apache.solr.search.join.BJQParserTest.createIndex;
+import static org.apache.solr.search.join.BlockJoinQueryParserTest.createIndex;
 
 import java.io.IOException;
 import org.apache.lucene.index.Term;
@@ -34,7 +34,7 @@
 import org.junit.ClassRule;
 import org.junit.rules.TestRule;
 
-public class BJQFilterAccessibleTest extends SolrTestCaseJ4 {
+public class BlockJoinQueryFilterAccessibleTest extends SolrTestCaseJ4 {
 
   @ClassRule
   public static final TestRule noReverseMerge = RandomNoReverseMergePolicyFactory.createRule();