diff --git a/modules/openapi-generator/src/main/resources/kotlin-spring/api.mustache b/modules/openapi-generator/src/main/resources/kotlin-spring/api.mustache
index eb4e64ac357..1df7886bf2d 100644
--- a/modules/openapi-generator/src/main/resources/kotlin-spring/api.mustache
+++ b/modules/openapi-generator/src/main/resources/kotlin-spring/api.mustache
@@ -68,7 +68,7 @@ class {{classname}}Controller({{#serviceInterface}}@Autowired(required = true) v
         method = [RequestMethod.{{httpMethod}}],
         value = ["{{#lambda.escapeDoubleQuote}}{{path}}{{/lambda.escapeDoubleQuote}}"]{{#singleContentTypes}}{{#hasProduces}},
         produces = "{{{vendorExtensions.x-accepts}}}"{{/hasProduces}}{{#hasConsumes}},
-        consumes = "{{{vendorExtensions.x-contentType}}}"{{/hasConsumes}}{{/singleContentTypes}}{{^singleContentTypes}}{{#hasProduces}},
+        consumes = "{{{vendorExtensions.x-content-type}}}"{{/hasConsumes}}{{/singleContentTypes}}{{^singleContentTypes}}{{#hasProduces}},
         produces = [{{#produces}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{/produces}}]{{/hasProduces}}{{#hasConsumes}},
         consumes = [{{#consumes}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{/consumes}}]{{/hasConsumes}}{{/singleContentTypes}}
     )
diff --git a/modules/openapi-generator/src/main/resources/kotlin-spring/apiInterface.mustache b/modules/openapi-generator/src/main/resources/kotlin-spring/apiInterface.mustache
index 365a1fd579d..484dca9ca28 100644
--- a/modules/openapi-generator/src/main/resources/kotlin-spring/apiInterface.mustache
+++ b/modules/openapi-generator/src/main/resources/kotlin-spring/apiInterface.mustache
@@ -76,7 +76,7 @@ interface {{classname}} {
             method = [RequestMethod.{{httpMethod}}],
             value = ["{{#lambda.escapeDoubleQuote}}{{path}}{{/lambda.escapeDoubleQuote}}"]{{#singleContentTypes}}{{#hasProduces}},
             produces = "{{{vendorExtensions.x-accepts}}}"{{/hasProduces}}{{#hasConsumes}},
-            consumes = "{{{vendorExtensions.x-contentType}}}"{{/hasConsumes}}{{/singleContentTypes}}{{^singleContentTypes}}{{#hasProduces}},
+            consumes = "{{{vendorExtensions.x-content-type}}}"{{/hasConsumes}}{{/singleContentTypes}}{{^singleContentTypes}}{{#hasProduces}},
             produces = [{{#produces}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{/produces}}]{{/hasProduces}}{{#hasConsumes}},
             consumes = [{{#consumes}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{/consumes}}]{{/hasConsumes}}{{/singleContentTypes}}
     )