diff --git a/src/ytdl_sub/config/preset.py b/src/ytdl_sub/config/preset.py
index 9e97e877..fd913865 100644
--- a/src/ytdl_sub/config/preset.py
+++ b/src/ytdl_sub/config/preset.py
@@ -316,7 +316,9 @@ class Preset(StrictDictValidator):
         presets_to_merge.append(copy.deepcopy(self._value))
 
         # Merge all of the presets
-        self._value = mergedeep.merge({}, *presets_to_merge, strategy=mergedeep.Strategy.REPLACE)
+        self._value = mergedeep.merge(
+            {}, *presets_to_merge, strategy=mergedeep.Strategy.TYPESAFE_ADDITIVE
+        )
 
     def __init__(self, config: ConfigFile, name: str, value: Any):
         super().__init__(name=name, value=value)