diff --git a/nsz/gui/NSZ_GUI.py b/nsz/gui/NSZ_GUI.py
index 696d58c..92655ba 100644
--- a/nsz/gui/NSZ_GUI.py
+++ b/nsz/gui/NSZ_GUI.py
@@ -68,6 +68,7 @@ def build_config(self, config):
 		config.setdefaults('Advanced', {
 			'threads': -1,
 			'multi': 4,
+			'ldm': 0,
 			'parseCnmt': 0,
 			'overwrite': 0,
 			'rm_old_version': 0,
@@ -144,6 +145,7 @@ def __init__(self, config, rootWidget):
 			self.verify = None
 		self.threads = int(config.get('Advanced', 'threads'))
 		self.multi = int(config.get('Advanced', 'multi'))
+		self.long = True if int(config.get('Advanced', 'ldm')) == 1 else False
 		self.parseCnmt = True if int(config.get('Advanced', 'parseCnmt')) == 1 else None
 		self.overwrite = True if int(config.get('Advanced', 'overwrite')) == 1 else None
 		self.rm_old_version = True if int(config.get('Advanced', 'rm_old_version')) == 1 else None
diff --git a/nsz/gui/json/settings_advanced.json b/nsz/gui/json/settings_advanced.json
index b8f687b..e0eb1fd 100644
--- a/nsz/gui/json/settings_advanced.json
+++ b/nsz/gui/json/settings_advanced.json
@@ -13,6 +13,13 @@
 		"section": "Advanced",
 		"key": "multi"
 	},
+	{
+		"type": "bool",
+		"title": "Long Distance Mode",
+		"desc": "Enables zStandard long distance mode for even better compression",
+		"section": "Advanced",
+		"key": "ldm"
+	},
 	{
 		"type": "bool",
 		"title": "Parse Cnmt",