diff --git a/scarlet_export/__init__.py b/scarlet_export/__init__.py
index f88a8af..a491b44 100644
--- a/scarlet_export/__init__.py
+++ b/scarlet_export/__init__.py
@@ -62,8 +62,10 @@ def main():
     for tag in data['tags']:
         tags[tag['uuid']] = tag['title']
     folders = {}
-    for folder in data['folders']:
-        folders[folder['uuid']] = folder['title']
+    # folders are only available in Scarlet v6 and later
+    if 'folders' in data:
+        for folder in data['folders']:
+            folders[folder['uuid']] = folder['title']
     for note in data['notes']:
         parsedNote = Note(note, tags, folders)
         notes.append(parsedNote)
diff --git a/scarlet_export/note.py b/scarlet_export/note.py
index 7aa9474..47369d7 100644
--- a/scarlet_export/note.py
+++ b/scarlet_export/note.py
@@ -13,10 +13,11 @@ class Note:
     """
     def __init__(self, note, tags, folders):
         self.uuid = note['uuid']
-        if note['folder'] != '':
-            self.folder = folders[note['folder']]
-        else:
-            self.folder = ''
+        # folders are only available since Scarlet v6
+        if 'folder' in note:
+            if note['folder'] != '':
+                self.folder = folders[note['folder']]
+        else: self.folder = ''
         self.updateTimestamp = int(note['updateTimestamp'])
         self.timestamp = int(note['timestamp'])
         self.tags = []