diff --git a/packages/dynamite/lib/src/openapi_builder.dart b/packages/dynamite/lib/src/openapi_builder.dart
index a2743b75..ed26cdce 100644
--- a/packages/dynamite/lib/src/openapi_builder.dart
+++ b/packages/dynamite/lib/src/openapi_builder.dart
@@ -600,7 +600,11 @@ class OpenAPIBuilder implements Builder {
                               if (nullable) {
                                 code.write('if (${_toDartName(parameter.name)} != null) {');
                               }
-                              final value = result.encode(result.serialize(_toDartName(parameter.name)));
+                              final isPlainList = result is TypeResultList && !result.fromJsonString;
+                              final value = result.encode(
+                                result.serialize(_toDartName(parameter.name)),
+                                onlyChildren: isPlainList && parameter.in_ == 'query',
+                              );
                               switch (parameter.in_) {
                                 case 'path':
                                   code.write(
@@ -609,7 +613,7 @@ class OpenAPIBuilder implements Builder {
                                   break;
                                 case 'query':
                                   code.write(
-                                    "queryParameters['${parameter.name}${result is TypeResultList ? '[]' : ''}'] = $value;",
+                                    "queryParameters['${parameter.name}${isPlainList ? '[]' : ''}'] = $value;",
                                   );
                                   break;
                                 case 'header':
@@ -1417,6 +1421,7 @@ TypeResult resolveType(
           result = TypeResultList(
             'List<${subResult.name}>',
             subResult,
+            fromJsonString: fromJsonString,
           );
         } else {
           result = TypeResultList(
diff --git a/packages/dynamite/lib/src/type_result/base.dart b/packages/dynamite/lib/src/type_result/base.dart
index 101f5630..a6616043 100644
--- a/packages/dynamite/lib/src/type_result/base.dart
+++ b/packages/dynamite/lib/src/type_result/base.dart
@@ -7,7 +7,7 @@ class TypeResultBase extends TypeResult {
   String serialize(final String object) => object;
 
   @override
-  String encode(final String object) => '$object.toString()';
+  String encode(final String object, {final bool onlyChildren = false}) => '$object.toString()';
 
   @override
   String deserialize(final String object) => '($object as $name)';
diff --git a/packages/dynamite/lib/src/type_result/enum.dart b/packages/dynamite/lib/src/type_result/enum.dart
index af9a9b94..b5b85880 100644
--- a/packages/dynamite/lib/src/type_result/enum.dart
+++ b/packages/dynamite/lib/src/type_result/enum.dart
@@ -12,7 +12,7 @@ class TypeResultEnum extends TypeResult {
   String serialize(final String object) => '$object.value';
 
   @override
-  String encode(final String object) => subType.encode(object);
+  String encode(final String object, {final bool onlyChildren = false}) => subType.encode(object);
 
   @override
   String deserialize(final String object) => '$name.fromValue($object as ${subType.name})';
diff --git a/packages/dynamite/lib/src/type_result/list.dart b/packages/dynamite/lib/src/type_result/list.dart
index a48efb1f..d59b4155 100644
--- a/packages/dynamite/lib/src/type_result/list.dart
+++ b/packages/dynamite/lib/src/type_result/list.dart
@@ -3,16 +3,23 @@ part of '../../dynamite.dart';
 class TypeResultList extends TypeResult {
   TypeResultList(
     super.name,
-    this.subType,
-  );
+    this.subType, {
+    this.fromJsonString = false,
+  });
 
   final TypeResult subType;
+  final bool fromJsonString;
 
   @override
   String serialize(final String object) => '$object.map((final e) => ${subType.serialize('e')}).toList()';
 
   @override
-  String encode(final String object) => 'json.encode($object)';
+  String encode(final String object, {final bool onlyChildren = false}) {
+    if (onlyChildren) {
+      return '$object.map((final e) => ${subType.encode('e')}).toList()';
+    }
+    return 'json.encode($object)';
+  }
 
   @override
   String deserialize(final String object) => '($object as List).map((final e) => ${subType.deserialize('e')}).toList()';
diff --git a/packages/dynamite/lib/src/type_result/map.dart b/packages/dynamite/lib/src/type_result/map.dart
index 884e8d27..b0f24027 100644
--- a/packages/dynamite/lib/src/type_result/map.dart
+++ b/packages/dynamite/lib/src/type_result/map.dart
@@ -12,7 +12,7 @@ class TypeResultMap extends TypeResult {
   String serialize(final String object) => object;
 
   @override
-  String encode(final String object) => 'json.encode($object)';
+  String encode(final String object, {final bool onlyChildren = false}) => 'json.encode($object)';
 
   @override
   String deserialize(final String object) => '($object as Map<String, ${subType.name}>)';
diff --git a/packages/dynamite/lib/src/type_result/object.dart b/packages/dynamite/lib/src/type_result/object.dart
index 7509849d..0b556af3 100644
--- a/packages/dynamite/lib/src/type_result/object.dart
+++ b/packages/dynamite/lib/src/type_result/object.dart
@@ -17,7 +17,7 @@ class TypeResultObject extends TypeResult {
   }
 
   @override
-  String encode(final String object) => 'json.encode($object)';
+  String encode(final String object, {final bool onlyChildren = false}) => 'json.encode($object)';
 
   @override
   String deserialize(final String object) {
diff --git a/packages/dynamite/lib/src/type_result/type_result.dart b/packages/dynamite/lib/src/type_result/type_result.dart
index 25c79bed..1ceb5992 100644
--- a/packages/dynamite/lib/src/type_result/type_result.dart
+++ b/packages/dynamite/lib/src/type_result/type_result.dart
@@ -11,5 +11,5 @@ abstract class TypeResult {
 
   String decode(final String object);
 
-  String encode(final String object);
+  String encode(final String object, {final bool onlyChildren = false});
 }