diff --git a/src/error.rs b/src/error.rs
index db99cb4..fe1bfd2 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -81,6 +81,9 @@ pub(crate) enum UploadError {
     #[error("No files present in upload")]
     NoFiles,
 
+    #[error("Upload was already claimed")]
+    AlreadyClaimed,
+
     #[error("Requested a file that doesn't exist")]
     MissingAlias,
 
@@ -154,6 +157,7 @@ impl ResponseError for Error {
                 | UploadError::NoFiles
                 | UploadError::Upload(_)
                 | UploadError::UnsupportedFormat
+                | UploadError::AlreadyClaimed
                 | UploadError::SilentVideoDisabled,
             ) => StatusCode::BAD_REQUEST,
             Some(
diff --git a/src/repo/sled.rs b/src/repo/sled.rs
index 5eed976..75a9171 100644
--- a/src/repo/sled.rs
+++ b/src/repo/sled.rs
@@ -298,13 +298,13 @@ impl UploadRepo for SledRepo {
                 return Ok(result.into());
             }
         } else {
-            return Err(UploadError::NoFiles.into());
+            return Err(UploadError::AlreadyClaimed.into());
         }
 
         while let Some(event) = (&mut subscriber).await {
             match event {
                 sled::Event::Remove { .. } => {
-                    return Err(UploadError::NoFiles.into());
+                    return Err(UploadError::AlreadyClaimed.into());
                 }
                 sled::Event::Insert { value, .. } => {
                     if value != b"1" {