diff --git a/modules/openapi-generator/src/main/resources/kotlin-client/data_class.mustache b/modules/openapi-generator/src/main/resources/kotlin-client/data_class.mustache
index fc43540f4e47..aff77693c950 100644
--- a/modules/openapi-generator/src/main/resources/kotlin-client/data_class.mustache
+++ b/modules/openapi-generator/src/main/resources/kotlin-client/data_class.mustache
@@ -60,7 +60,7 @@ import java.io.Serializable
     {{#enumVars}}
         {{^multiplatform}}
         {{#moshi}}
-        @Json(name = {{{value}}}) {{&name}}({{{value}}}){{^-last}},{{/-last}}{{#-last}};{{/-last}}
+        @Json(name = {{^isString}}"{{/isString}}{{{value}}}{{^isString}}"{{/isString}}) {{&name}}({{{value}}}){{^-last}},{{/-last}}{{#-last}};{{/-last}}
         {{/moshi}}
         {{#gson}}
         @SerializedName(value={{{value}}})  {{&name}}({{{value}}}){{^-last}},{{/-last}}{{#-last}};{{/-last}}