diff --git a/modules/openapi-generator/src/main/resources/kotlin-client/libraries/jvm-retrofit2/queryParam.mustache b/modules/openapi-generator/src/main/resources/kotlin-client/libraries/jvm-retrofit2/queryParam.mustache
index ed3b3bb9615..86ece566a3c 100644
--- a/modules/openapi-generator/src/main/resources/kotlin-client/libraries/jvm-retrofit2/queryParam.mustache
+++ b/modules/openapi-generator/src/main/resources/kotlin-client/libraries/jvm-retrofit2/queryParam.mustache
@@ -1 +1 @@
-@Query("{{baseName}}") {{{paramName}}}: {{#collectionFormat}}{{#isCollectionFormatMulti}}{{{dataType}}}{{/isCollectionFormatMulti}}{{^isCollectionFormatMulti}}{{{collectionFormat.toUpperCase}}}Params{{/isCollectionFormatMulti}}{{/collectionFormat}}{{^collectionFormat}}{{#isEnum}}{{enumName}}{{operationIdCamelCase}}{{/isEnum}}{{^isEnum}}{{{dataType}}}{{/isEnum}}{{/collectionFormat}}{{#required}}{{#defaultValue}} = {{^isNumber}}{{#isEnum}}{{enumName}}{{operationIdCamelCase}}.{{enumDefaultValue}}{{/isEnum}}{{^isEnum}}{{{defaultValue}}}{{/isEnum}}{{/isNumber}}{{#isNumber}}{{{dataType}}}("{{{defaultValue}}}"){{/isNumber}}{{/defaultValue}}{{/required}}{{^required}}?{{#defaultValue}} = {{^isNumber}}{{#isEnum}}{{enumName}}{{operationIdCamelCase}}.{{enumDefaultValue}}{{/isEnum}}{{^isEnum}}{{{defaultValue}}}{{/isEnum}}{{/isNumber}}{{#isNumber}}{{{dataType}}}("{{{defaultValue}}}"){{/isNumber}}{{/defaultValue}}{{^defaultValue}} = null{{/defaultValue}}{{/required}}
\ No newline at end of file
+@Query("{{baseName}}") {{{paramName}}}: {{#collectionFormat}}{{#isCollectionFormatMulti}}@JvmSuppressWildcards {{{dataType}}}{{/isCollectionFormatMulti}}{{^isCollectionFormatMulti}}{{{collectionFormat.toUpperCase}}}Params{{/isCollectionFormatMulti}}{{/collectionFormat}}{{^collectionFormat}}{{#isEnum}}{{enumName}}{{operationIdCamelCase}}{{/isEnum}}{{^isEnum}}{{{dataType}}}{{/isEnum}}{{/collectionFormat}}{{#required}}{{#defaultValue}} = {{^isNumber}}{{#isEnum}}{{enumName}}{{operationIdCamelCase}}.{{enumDefaultValue}}{{/isEnum}}{{^isEnum}}{{{defaultValue}}}{{/isEnum}}{{/isNumber}}{{#isNumber}}{{{dataType}}}("{{{defaultValue}}}"){{/isNumber}}{{/defaultValue}}{{/required}}{{^required}}?{{#defaultValue}} = {{^isNumber}}{{#isEnum}}{{enumName}}{{operationIdCamelCase}}.{{enumDefaultValue}}{{/isEnum}}{{^isEnum}}{{{defaultValue}}}{{/isEnum}}{{/isNumber}}{{#isNumber}}{{{dataType}}}("{{{defaultValue}}}"){{/isNumber}}{{/defaultValue}}{{^defaultValue}} = null{{/defaultValue}}{{/required}}
\ No newline at end of file