diff --git a/modules/openapi-generator/src/main/resources/rust-axum/server-operation.mustache b/modules/openapi-generator/src/main/resources/rust-axum/server-operation.mustache
index 4ca44568d1f2..ceb477b11443 100644
--- a/modules/openapi-generator/src/main/resources/rust-axum/server-operation.mustache
+++ b/modules/openapi-generator/src/main/resources/rust-axum/server-operation.mustache
@@ -89,7 +89,7 @@ where
     // Header parameters
     let header_params = {
   {{/-first}}
-                let header_{{{paramName}}} = headers.get(HeaderName::from_static("{{{baseName}}}"));
+                let header_{{{paramName}}} = headers.get(HeaderName::from_static("{{{nameInLowerCase}}}"));
 
                 let header_{{{paramName}}} = match header_{{{paramName}}} {
                     Some(v) => match header::IntoHeaderValue::<{{{dataType}}}>::try_from((*v).clone()) {
@@ -272,7 +272,7 @@ where
                                                     {
                                                       let mut response_headers = response.headers_mut().unwrap();
                                                       response_headers.insert(
-                                                          HeaderName::from_static("{{{baseName}}}"),
+                                                          HeaderName::from_static("{{{nameInLowerCase}}}"),
                                                           {{name}}
                                                       );
                                                     }
diff --git a/samples/server/petstore/rust-axum/output/openapi-v3/src/server/mod.rs b/samples/server/petstore/rust-axum/output/openapi-v3/src/server/mod.rs
index 8b31ce9b9e69..666120206b69 100644
--- a/samples/server/petstore/rust-axum/output/openapi-v3/src/server/mod.rs
+++ b/samples/server/petstore/rust-axum/output/openapi-v3/src/server/mod.rs
@@ -602,7 +602,7 @@ where
 {
     // Header parameters
     let header_params = {
-        let header_x_header = headers.get(HeaderName::from_static("X-Header"));
+        let header_x_header = headers.get(HeaderName::from_static("x-header"));
 
         let header_x_header = match header_x_header {
             Some(v) => match header::IntoHeaderValue::<String>::try_from((*v).clone()) {
@@ -1471,7 +1471,7 @@ where
 
                 {
                     let mut response_headers = response.headers_mut().unwrap();
-                    response_headers.insert(HeaderName::from_static("Success-Info"), success_info);
+                    response_headers.insert(HeaderName::from_static("success-info"), success_info);
                 }
                 if let Some(bool_header) = bool_header {
                     let bool_header = match header::IntoHeaderValue(bool_header).try_into() {
@@ -1486,7 +1486,7 @@ where
                     {
                         let mut response_headers = response.headers_mut().unwrap();
                         response_headers
-                            .insert(HeaderName::from_static("Bool-Header"), bool_header);
+                            .insert(HeaderName::from_static("bool-header"), bool_header);
                     }
                 }
                 if let Some(object_header) = object_header {
@@ -1502,7 +1502,7 @@ where
                     {
                         let mut response_headers = response.headers_mut().unwrap();
                         response_headers
-                            .insert(HeaderName::from_static("Object-Header"), object_header);
+                            .insert(HeaderName::from_static("object-header"), object_header);
                     }
                 }
                 let mut response = response.status(200);
@@ -1544,7 +1544,7 @@ where
                     {
                         let mut response_headers = response.headers_mut().unwrap();
                         response_headers
-                            .insert(HeaderName::from_static("Further-Info"), further_info);
+                            .insert(HeaderName::from_static("further-info"), further_info);
                     }
                 }
                 if let Some(failure_info) = failure_info {
@@ -1560,7 +1560,7 @@ where
                     {
                         let mut response_headers = response.headers_mut().unwrap();
                         response_headers
-                            .insert(HeaderName::from_static("Failure-Info"), failure_info);
+                            .insert(HeaderName::from_static("failure-info"), failure_info);
                     }
                 }
                 let mut response = response.status(412);
diff --git a/samples/server/petstore/rust-axum/output/petstore-with-fake-endpoints-models-for-testing/src/server/mod.rs b/samples/server/petstore/rust-axum/output/petstore-with-fake-endpoints-models-for-testing/src/server/mod.rs
index 874654e6a21b..33a54a8cc5da 100644
--- a/samples/server/petstore/rust-axum/output/petstore-with-fake-endpoints-models-for-testing/src/server/mod.rs
+++ b/samples/server/petstore/rust-axum/output/petstore-with-fake-endpoints-models-for-testing/src/server/mod.rs
@@ -2693,7 +2693,7 @@ where
                     {
                         let mut response_headers = response.headers_mut().unwrap();
                         response_headers
-                            .insert(HeaderName::from_static("X-Rate-Limit"), x_rate_limit);
+                            .insert(HeaderName::from_static("x-rate-limit"), x_rate_limit);
                     }
                 }
                 if let Some(x_expires_after) = x_expires_after {
@@ -2710,7 +2710,7 @@ where
                     {
                         let mut response_headers = response.headers_mut().unwrap();
                         response_headers
-                            .insert(HeaderName::from_static("X-Expires-After"), x_expires_after);
+                            .insert(HeaderName::from_static("x-expires-after"), x_expires_after);
                     }
                 }
                 let mut response = response.status(200);
diff --git a/samples/server/petstore/rust-axum/output/petstore/src/server/mod.rs b/samples/server/petstore/rust-axum/output/petstore/src/server/mod.rs
index 4d5ec41b5993..edb1b82fc442 100644
--- a/samples/server/petstore/rust-axum/output/petstore/src/server/mod.rs
+++ b/samples/server/petstore/rust-axum/output/petstore/src/server/mod.rs
@@ -1517,7 +1517,7 @@ where
 
                     {
                         let mut response_headers = response.headers_mut().unwrap();
-                        response_headers.insert(HeaderName::from_static("Set-Cookie"), set_cookie);
+                        response_headers.insert(HeaderName::from_static("set-cookie"), set_cookie);
                     }
                 }
                 if let Some(x_rate_limit) = x_rate_limit {
@@ -1533,7 +1533,7 @@ where
                     {
                         let mut response_headers = response.headers_mut().unwrap();
                         response_headers
-                            .insert(HeaderName::from_static("X-Rate-Limit"), x_rate_limit);
+                            .insert(HeaderName::from_static("x-rate-limit"), x_rate_limit);
                     }
                 }
                 if let Some(x_expires_after) = x_expires_after {
@@ -1550,7 +1550,7 @@ where
                     {
                         let mut response_headers = response.headers_mut().unwrap();
                         response_headers
-                            .insert(HeaderName::from_static("X-Expires-After"), x_expires_after);
+                            .insert(HeaderName::from_static("x-expires-after"), x_expires_after);
                     }
                 }
                 let mut response = response.status(200);