diff --git a/openapi-generator/src/main/resources/templates/java-micronaut/client/api.mustache b/openapi-generator/src/main/resources/templates/java-micronaut/client/api.mustache
index 8b5365ab9d..92e2676621 100644
--- a/openapi-generator/src/main/resources/templates/java-micronaut/client/api.mustache
+++ b/openapi-generator/src/main/resources/templates/java-micronaut/client/api.mustache
@@ -58,12 +58,12 @@ public interface {{classname}} {
     {{#formatNoEmptyLines}}
 {{>common/operationAnnotations}}{{!
 }}    @{{#lambda.pascalcase}}{{#lambda.lowercase}}{{httpMethod}}{{/lambda.lowercase}}{{/lambda.pascalcase}}("{{{path}}}")
-    {{^vendorExtensions.onlyDefaultConsumeOrEmpty}}
-    {{#produces}}{{#-first}}@Consumes({{#produces.1}}{{openbrace}}{{/produces.1}}{{/-first}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{#-last}}{{#produces.1}}{{closebrace}}{{/produces.1}}){{/-last}}{{/produces}}
-    {{/vendorExtensions.onlyDefaultConsumeOrEmpty}}
     {{^vendorExtensions.onlyDefaultProduceOrEmpty}}
-    {{#consumes}}{{#-first}}@Produces({{#consumes.1}}{{openbrace}}{{/consumes.1}}{{/-first}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{#-last}}{{#consumes.1}}{{closebrace}}{{/consumes.1}}){{/-last}}{{/consumes}}
+    {{#produces}}{{#-first}}@Consumes({{#produces.1}}{{openbrace}}{{/produces.1}}{{/-first}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{#-last}}{{#produces.1}}{{closebrace}}{{/produces.1}}){{/-last}}{{/produces}}
     {{/vendorExtensions.onlyDefaultProduceOrEmpty}}
+    {{^vendorExtensions.onlyDefaultConsumeOrEmpty}}
+    {{#consumes}}{{#-first}}@Produces({{#consumes.1}}{{openbrace}}{{/consumes.1}}{{/-first}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{#-last}}{{#consumes.1}}{{closebrace}}{{/consumes.1}}){{/-last}}{{/consumes}}
+    {{/vendorExtensions.onlyDefaultConsumeOrEmpty}}
     {{!auth methods}}
         {{#configureAuth}}
             {{#authMethods}}
diff --git a/openapi-generator/src/main/resources/templates/kotlin-micronaut/client/api.mustache b/openapi-generator/src/main/resources/templates/kotlin-micronaut/client/api.mustache
index 3c8a0c8d1b..81368787f0 100644
--- a/openapi-generator/src/main/resources/templates/kotlin-micronaut/client/api.mustache
+++ b/openapi-generator/src/main/resources/templates/kotlin-micronaut/client/api.mustache
@@ -50,12 +50,12 @@ interface {{classname}} {
     {{#formatNoEmptyLines}}
 {{>common/operationAnnotations}}{{!
 }}    @{{#lambda.pascalcase}}{{#lambda.lowercase}}{{httpMethod}}{{/lambda.lowercase}}{{/lambda.pascalcase}}("{{{path}}}")
-    {{^vendorExtensions.onlyDefaultConsumeOrEmpty}}
-    {{#produces}}{{#-first}}@Consumes({{/-first}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{#-last}}){{/-last}}{{/produces}}
-    {{/vendorExtensions.onlyDefaultConsumeOrEmpty}}
     {{^vendorExtensions.onlyDefaultProduceOrEmpty}}
-    {{#consumes}}{{#-first}}@Produces({{/-first}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{#-last}}){{/-last}}{{/consumes}}
+    {{#produces}}{{#-first}}@Consumes({{/-first}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{#-last}}){{/-last}}{{/produces}}
     {{/vendorExtensions.onlyDefaultProduceOrEmpty}}
+    {{^vendorExtensions.onlyDefaultConsumeOrEmpty}}
+    {{#consumes}}{{#-first}}@Produces({{/-first}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{#-last}}){{/-last}}{{/consumes}}
+    {{/vendorExtensions.onlyDefaultConsumeOrEmpty}}
     {{!auth methods}}
         {{#configureAuth}}
             {{#authMethods}}
diff --git a/openapi-generator/src/test/java/io/micronaut/openapi/generator/JavaMicronautClientCodegenTest.java b/openapi-generator/src/test/java/io/micronaut/openapi/generator/JavaMicronautClientCodegenTest.java
index 24c5138a52..1945ac5276 100644
--- a/openapi-generator/src/test/java/io/micronaut/openapi/generator/JavaMicronautClientCodegenTest.java
+++ b/openapi-generator/src/test/java/io/micronaut/openapi/generator/JavaMicronautClientCodegenTest.java
@@ -504,4 +504,14 @@ void testOneOfWithoutDiscriminator() {
             "@JsonTypeInfo"
         );
     }
+
+    @Test
+    void testSingleProduceContentType() {
+
+        var codegen = new JavaMicronautClientCodegen();
+        String outputPath = generateFiles(codegen, "src/test/resources/3_0/client-produces-content-type.yml", CodegenConstants.APIS);
+        String path = outputPath + "src/main/java/org/openapitools/";
+
+        assertFileContains(path + "api/FilesApi.java", "@Produces(\"application/octet-stream\")");
+    }
 }
diff --git a/openapi-generator/src/test/java/io/micronaut/openapi/generator/KotlinMicronautClientCodegenTest.java b/openapi-generator/src/test/java/io/micronaut/openapi/generator/KotlinMicronautClientCodegenTest.java
index e18671819e..1e096ec02c 100644
--- a/openapi-generator/src/test/java/io/micronaut/openapi/generator/KotlinMicronautClientCodegenTest.java
+++ b/openapi-generator/src/test/java/io/micronaut/openapi/generator/KotlinMicronautClientCodegenTest.java
@@ -550,4 +550,14 @@ void testOneOfWithoutDiscriminator() {
             "@JsonTypeInfo"
         );
     }
+
+    @Test
+    void testSingleProduceContentType() {
+
+        var codegen = new KotlinMicronautClientCodegen();
+        String outputPath = generateFiles(codegen, "src/test/resources/3_0/client-produces-content-type.yml", CodegenConstants.APIS);
+        String path = outputPath + "src/main/kotlin/org/openapitools/";
+
+        assertFileContains(path + "api/FilesApi.kt", "@Produces(\"application/octet-stream\")");
+    }
 }
diff --git a/openapi-generator/src/test/resources/3_0/client-produces-content-type.yml b/openapi-generator/src/test/resources/3_0/client-produces-content-type.yml
new file mode 100644
index 0000000000..b620ab3cbc
--- /dev/null
+++ b/openapi-generator/src/test/resources/3_0/client-produces-content-type.yml
@@ -0,0 +1,63 @@
+openapi: 3.0.3
+info:
+  title: File Upload
+  version: 1.0.0
+tags:
+  - name: files
+paths:
+  /:
+    post:
+      tags:
+        - files
+      summary: Upload new file to server
+      operationId: uploadFile
+      parameters:
+        - name: X-file-crc32
+          in: header
+          description: Decimal CRC32B representation of the file
+          required: true
+          schema:
+            type: string
+            nullable: false
+      requestBody:
+        content:
+          application/octet-stream:
+            schema:
+              format: binary
+              type: string
+      responses:
+        "200":
+          description: File was saved on server. Returns serverfilename (UUID) of
+            the file.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/File'
+        "202":
+          description: File was already available on server. Returns serverfilename
+            (UUID) of the file.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/File'
+        "400":
+          description: "Provided checksum, size or file was not provided or uploaded\
+            \ file did not match given values"
+        "401":
+          description: User is not authorized to request this resource
+components:
+  schemas:
+    File:
+      type: object
+      properties:
+        serverFileName:
+          type: string
+        checksum:
+          type: string
+        mimeType:
+          type: string
+        size:
+          format: int64
+          type: integer
+        shaHash:
+          type: string