diff --git a/app/nvim/on-content-change.ts b/app/nvim/on-content-change.ts
index b91928e..b95494e 100644
--- a/app/nvim/on-content-change.ts
+++ b/app/nvim/on-content-change.ts
@@ -37,9 +37,12 @@ export async function onContentChange(
          group: app.augroupId,
          desc: "Notify github-preview",
          command: `lua
-            local buffer = vim.api.nvim_get_current_buf()
-            local path = vim.api.nvim_buf_get_name(0)
-            vim.rpcnotify(${app.nvim.channelId}, "${NOTIFICATION}", buffer, path)`,
+            local buftype = vim.api.nvim_get_option_value("buftype", { buf = 0 })
+            if buftype == "" then
+               local buffer = vim.api.nvim_get_current_buf()
+               local path = vim.api.nvim_buf_get_name(0)
+               vim.rpcnotify(${app.nvim.channelId}, "${NOTIFICATION}", buffer, path)
+            end`,
       },
    ]);
 
diff --git a/app/nvim/on-cursor-move.ts b/app/nvim/on-cursor-move.ts
index d2e53be..9d510ae 100644
--- a/app/nvim/on-cursor-move.ts
+++ b/app/nvim/on-cursor-move.ts
@@ -18,10 +18,13 @@ export async function onCursorMove(
          group: app.augroupId,
          desc: "Notify github-preview",
          command: `lua
-            local buffer = vim.api.nvim_get_current_buf()
-            local path = vim.api.nvim_buf_get_name(0)
-            local cursor_line = vim.api.nvim_win_get_cursor(0)[1]
-            vim.rpcnotify(${app.nvim.channelId}, "${NOTIFICATION}", buffer, path, cursor_line)`,
+            local buftype = vim.api.nvim_get_option_value("buftype", { buf = 0 })
+            if buftype == "" then
+               local buffer = vim.api.nvim_get_current_buf()
+               local path = vim.api.nvim_buf_get_name(0)
+               local cursor_line = vim.api.nvim_win_get_cursor(0)[1]
+               vim.rpcnotify(${app.nvim.channelId}, "${NOTIFICATION}", buffer, path, cursor_line)
+            end`,
       },
    ]);
 }