diff --git a/README.md b/README.md
index 835c8e0..25607a3 100644
--- a/README.md
+++ b/README.md
@@ -347,8 +347,9 @@ function source:get_keyword_pattern(params)
 end
 
 ---Return trigger characters.
+---@param params cmp.SourceBaseApiParams
 ---@return string[]
-function source:get_trigger_characters()
+function source:get_trigger_characters(params)
   return { ??? }
 end
 
diff --git a/lua/cmp/source.lua b/lua/cmp/source.lua
index 2b77682..10569b0 100644
--- a/lua/cmp/source.lua
+++ b/lua/cmp/source.lua
@@ -197,7 +197,9 @@ end
 ---@return string[]
 source.get_trigger_characters = function(self)
   if self.source.get_trigger_characters then
-    return self.source:get_trigger_characters() or {}
+    return self.source:get_trigger_characters({
+      option = self:get_option(),
+    }) or {}
   end
   return {}
 end