diff --git a/app/scripts/models/file-model.js b/app/scripts/models/file-model.js
index 7f17a3ff..38502cf7 100644
--- a/app/scripts/models/file-model.js
+++ b/app/scripts/models/file-model.js
@@ -33,6 +33,7 @@ class FileModel extends Model {
                     if (keyFileData) {
                         kdbxweb.ByteUtils.zeroBuffer(keyFileData);
                     }
+                    this.fixVersion();
                     logger.info(
                         'Opened file ' +
                             this.name +
@@ -250,6 +251,17 @@ class FileModel extends Model {
         });
     }
 
+    fixVersion() {
+        if (
+            this.db.meta.generator === 'KdbxWeb' &&
+            this.db.header.versionMajor === 4 &&
+            this.db.header.versionMinor === 1
+        ) {
+            this.db.header.versionMinor = 0;
+            logger.info('Fixed file version: 4.1 => 4.0');
+        }
+    }
+
     reload() {
         this.buildObjectMap();
         this.readModel();
diff --git a/release-notes.md b/release-notes.md
index 4b5cb438..0218d89c 100644
--- a/release-notes.md
+++ b/release-notes.md
@@ -1,5 +1,8 @@
 Release notes
 -------------
+##### v1.13.2 (TBD)
+`+` files previously created as v4.1 will be written as v4.0  
+
 ##### v1.13.1 (2020-04-04)
 `-` fix #1444: fixed website favicons and attached images  
 `-` fix #1445: fixed offline mode in Chrome and Firefox