diff --git a/solr/CHANGES.txt b/solr/CHANGES.txt
index b4de0ddc4e3..64ac470750a 100644
--- a/solr/CHANGES.txt
+++ b/solr/CHANGES.txt
@@ -132,6 +132,9 @@ Bug Fixes
 
 * SOLR-12249: Better error message when grouping on a tokenized (non SortableText) field in SolrCloud (Erick Erickson)
 
+* SOLR-13521: Fix input parameter handling in SchemaRequest.DynamicField and SchemaRequest.FieldTypes (Schema API)
+  (Tomás Fernández Löbbe)
+
 Other Changes
 ----------------------
 
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/request/schema/SchemaRequest.java b/solr/solrj/src/java/org/apache/solr/client/solrj/request/schema/SchemaRequest.java
index 2e94de87bc8..d3572ba419f 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/request/schema/SchemaRequest.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/request/schema/SchemaRequest.java
@@ -243,7 +243,7 @@ public class SchemaRequest extends AbstractSchemaRequest<SchemaResponse> {
     }
 
     public DynamicField(String dynamicFieldName, SolrParams q) {
-      super(METHOD.GET, "/schema/dynamicfields/" + dynamicFieldName);
+      super(METHOD.GET, "/schema/dynamicfields/" + dynamicFieldName, q);
     }
 
     @Override
@@ -262,7 +262,7 @@ public class SchemaRequest extends AbstractSchemaRequest<SchemaResponse> {
     }
 
     public FieldTypes(SolrParams q) {
-      super(METHOD.GET, "/schema/fieldtypes");
+      super(METHOD.GET, "/schema/fieldtypes", q);
     }
 
     @Override