diff --git a/src/file_hosting/s3_host.rs b/src/file_hosting/s3_host.rs
index 59e01e47..fd073721 100644
--- a/src/file_hosting/s3_host.rs
+++ b/src/file_hosting/s3_host.rs
@@ -60,7 +60,7 @@ impl FileHost for S3Host {
                 .header(reqwest::header::CONTENT_TYPE, "application/json")
                 .header(
                     reqwest::header::AUTHORIZATION,
-                    &self.bucket.credentials.secret_key.unwrap_or_else(""),
+                    &self.bucket.credentials.secret_key.unwrap_or("".to_string()),
                 )
                 .body(
                     serde_json::json!({