diff --git a/packages/node_modules/@node-red/nodes/core/storage/10-file.js b/packages/node_modules/@node-red/nodes/core/storage/10-file.js
index 5cff2b631..147cce690 100644
--- a/packages/node_modules/@node-red/nodes/core/storage/10-file.js
+++ b/packages/node_modules/@node-red/nodes/core/storage/10-file.js
@@ -183,15 +183,25 @@ module.exports = function(RED) {
                             } catch(err) {
                             }
                         });
+                        // Note: For static filenames, write errors are handled in the write callback.
+                        // This handler catches stream-level errors for dynamic filenames.
                         node.wstream.on("error", function(err) {
-                            node.error(RED._("file.errors.appendfail",{error:err.toString()}),msg);
-                            done();
+                            // Only handle if not a static filename (those use write callback)
+                            if (node.filenameType !== "str" && node.filenameType !== "env") {
+                                node.error(RED._("file.errors.appendfail",{error:err.toString()}),msg);
+                                done();
+                            }
                         });
                     }
                     if (node.filenameType === "str" || node.filenameType === "env") {
                         // Static filename - write and reuse the stream next time
-                        node.wstream.write(buf, function() {
-                            nodeSend(msg);
+                        // Use write callback's error argument for proper scoping of msg/done
+                        node.wstream.write(buf, function(err) {
+                            if (err) {
+                                node.error(RED._("file.errors.appendfail",{error:err.toString()}),msg);
+                            } else {
+                                nodeSend(msg);
+                            }
                             done();
                         });
                     }