diff --git a/src/client/worker/signer.rs b/src/client/worker/signer.rs
index 815e8fee394c8076dfb38d40966f4f713ee770a3..d00842ca082ff89a5539d9cda9b9a40e81190c84 100644
--- a/src/client/worker/signer.rs
+++ b/src/client/worker/signer.rs
@@ -68,6 +68,10 @@ impl SignHandler for RemoteSigner {
                     key_id: item.key_id.clone(),
                 });
             }
+            if sign_segments.is_empty() {
+                *item.error.borrow_mut() = Err(Error::FileContentEmpty);
+                return item
+            }
             let result = self.client.sign_stream(
                 tokio_stream::iter(sign_segments)).await;
             match result {
diff --git a/src/util/error.rs b/src/util/error.rs
index 270b76c44361d5edc3924cfd3ac0eec5e9ea051e..c05b35e7898031fadc72130806e0e8bfec266802 100644
--- a/src/util/error.rs
+++ b/src/util/error.rs
@@ -125,6 +125,8 @@ pub enum Error {
     PartialSuccessError,
     #[error("Error in sign or parse EFI image")]
     EFIError(String),
+    #[error("file content is empty")]
+    FileContentEmpty,
 }
 
 #[derive(Deserialize, Serialize, ToSchema)]