diff --git a/lua/symbols-outline.lua b/lua/symbols-outline.lua
index 28e42b0..cc3df72 100644
--- a/lua/symbols-outline.lua
+++ b/lua/symbols-outline.lua
@@ -318,7 +318,7 @@ local function setup_keymaps(bufnr)
 end
 
 local function handler(response)
-  if response == nil or type(response) ~= 'table' then
+  if response == nil or type(response) ~= 'table' or M.view:is_open() then
     return
   end