diff --git a/src/encryptRClone.ts b/src/encryptRClone.ts
index 99d2926..d132616 100644
--- a/src/encryptRClone.ts
+++ b/src/encryptRClone.ts
@@ -202,7 +202,7 @@ export class CipherRclone {
         },
         [
           channel.port1,
-          // input // the array buffer might be re-used later, so we CANNOT transform here
+          // input // the array buffer might be re-used later, so we CANNOT transfer here
         ]
       );
     });
@@ -247,8 +247,10 @@ export class CipherRclone {
           action: "decryptContent",
           inputContent: input,
         },
-        // the decrypted result is not used later in worker, so it's save to transfer
-        [channel.port1, input]
+        [
+          channel.port1,
+          input, // not transfer for safety
+        ]
       );
     });
   }
diff --git a/src/encryptRClone.worker.ts b/src/encryptRClone.worker.ts
index 6e38082..2714807 100644
--- a/src/encryptRClone.worker.ts
+++ b/src/encryptRClone.worker.ts
@@ -141,7 +141,7 @@ ctx.addEventListener("message", async (event: any) => {
           status: "ok",
           outputContent: outputContent,
         },
-        [outputContent]
+        [outputContent] // on worker side, we don't reuse anything so it's safe to transfer
       );
     } catch (error) {
       console.error(error);
@@ -166,7 +166,7 @@ ctx.addEventListener("message", async (event: any) => {
           status: "ok",
           outputContent: outputContent,
         },
-        [outputContent]
+        [outputContent] // on worker side, we don't reuse anything so it's safe to transfer
       );
     } catch (error) {
       console.error(error);