diff --git a/src/api/admin/error.rs b/src/api/admin/error.rs
index 8fbbc895..d80c126c 100644
--- a/src/api/admin/error.rs
+++ b/src/api/admin/error.rs
@@ -95,6 +95,7 @@ impl ApiError for Error {
 	fn add_http_headers(&self, header_map: &mut HeaderMap<HeaderValue>) {
 		use hyper::header;
 		header_map.append(header::CONTENT_TYPE, "application/json".parse().unwrap());
+        header_map.append(header::ACCESS_CONTROL_ALLOW_ORIGIN, "*".parse().unwrap());
 	}
 
 	fn http_body(&self, garage_region: &str, path: &str) -> ErrorBody {
diff --git a/src/api/k2v/error.rs b/src/api/k2v/error.rs
index 55737268..4abbf117 100644
--- a/src/api/k2v/error.rs
+++ b/src/api/k2v/error.rs
@@ -99,6 +99,7 @@ impl ApiError for Error {
 	fn add_http_headers(&self, header_map: &mut HeaderMap<HeaderValue>) {
 		use hyper::header;
 		header_map.append(header::CONTENT_TYPE, "application/json".parse().unwrap());
+        header_map.append(header::ACCESS_CONTROL_ALLOW_ORIGIN, "*".parse().unwrap());
 	}
 
 	fn http_body(&self, garage_region: &str, path: &str) -> ErrorBody {
diff --git a/src/api/s3/error.rs b/src/api/s3/error.rs
index 6d4b7a11..e332f1d7 100644
--- a/src/api/s3/error.rs
+++ b/src/api/s3/error.rs
@@ -176,6 +176,7 @@ impl ApiError for Error {
 		use hyper::header;
 
 		header_map.append(header::CONTENT_TYPE, "application/xml".parse().unwrap());
+        header_map.append(header::ACCESS_CONTROL_ALLOW_ORIGIN, "*".parse().unwrap());
 
 		#[allow(clippy::single_match)]
 		match self {