diff --git a/modules/openapi-generator/src/main/resources/dart/libraries/dio/serialization/built_value/query_param.mustache b/modules/openapi-generator/src/main/resources/dart/libraries/dio/serialization/built_value/query_param.mustache
index 06599a5ab4a..aa47f4f4394 100644
--- a/modules/openapi-generator/src/main/resources/dart/libraries/dio/serialization/built_value/query_param.mustache
+++ b/modules/openapi-generator/src/main/resources/dart/libraries/dio/serialization/built_value/query_param.mustache
@@ -1 +1 @@
-{{#isContainer}}encodeCollectionQueryParameter<{{{baseType}}}>{{/isContainer}}{{^isContainer}}encodeQueryParameter{{/isContainer}}(_serializers, {{{paramName}}}, const FullType({{^isContainer}}{{{dataType}}}){{/isContainer}}{{#isContainer}}Built{{#isMap}}Map{{/isMap}}{{#isArray}}{{#uniqueItems}}Set{{/uniqueItems}}{{^uniqueItems}}List{{/uniqueItems}}{{/isArray}}, [{{#isMap}}FullType(String), {{/isMap}}FullType({{{baseType}}})]), {{#collectionFormat}}format: ListFormat.{{collectionFormat}},{{/collectionFormat}}{{/isContainer}})
\ No newline at end of file
+{{#isContainer}}{{#isMap}}encodeQueryParameter{{/isMap}}{{^isMap}}encodeCollectionQueryParameter<{{{baseType}}}>{{/isMap}}{{/isContainer}}{{^isContainer}}encodeQueryParameter{{/isContainer}}(_serializers, {{{paramName}}}, const FullType({{^isContainer}}{{{dataType}}}){{/isContainer}}{{#isContainer}}Built{{#isMap}}Map{{/isMap}}{{#isArray}}{{#uniqueItems}}Set{{/uniqueItems}}{{^uniqueItems}}List{{/uniqueItems}}{{/isArray}}, [{{#isMap}}FullType(String), {{/isMap}}FullType({{{baseType}}})]), {{#collectionFormat}}format: ListFormat.{{collectionFormat}},{{/collectionFormat}}{{/isContainer}})
\ No newline at end of file