diff --git a/src/main.rs b/src/main.rs
index 3de0027..9ca96b4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -178,14 +178,18 @@ async fn update_transaction(
             notes: s.notes,
         })
         .collect();
-    if let Some(split) = splits.last_mut() {
+    let jrnl_id = if let Some(split) = splits.last_mut() {
         if form.amount != amount {
             split.amount = form.amount.to_string();
         }
         if !form.notes.is_empty() {
             split.notes = Some(form.notes.clone());
         }
-    }
+        split.transaction_journal_id.clone()
+    } else {
+        error!("Somehow, transaction {} has no splits!", id);
+        return (Status::BadRequest, "Invalid transaction: no splits".into());
+    };
     let update = TransactionUpdate {
         transactions: splits,
     };
@@ -209,7 +213,11 @@ async fn update_transaction(
         }
         if let Err(e) = ctx
             .firefly
-            .attach_receipt(id, content, file.name().unwrap_or("receipt.jpg"))
+            .attach_receipt(
+                &jrnl_id,
+                content,
+                file.name().unwrap_or("receipt.jpg"),
+            )
             .await
         {
             error!("Failed to attach receipt to transaction: {}", e);