diff --git a/lua/dotvim/pkgs/editor/plugins/obsidian.lua b/lua/dotvim/pkgs/editor/plugins/obsidian.lua
index d330dd3a..a819610b 100644
--- a/lua/dotvim/pkgs/editor/plugins/obsidian.lua
+++ b/lua/dotvim/pkgs/editor/plugins/obsidian.lua
@@ -77,12 +77,18 @@ return {
     },
     use_advanced_uri = true,
     mappings = {},
-    note_id_func = function(_)
-      return ("%0x-%04x-%4x"):format(
-        os.time(),
-        math.random(0, 0xffff),
-        math.random(0, 0xffff)
-      )
+    note_id_func = function(title)
+      local suffix = ""
+      if title ~= nil then
+        -- If title is given, transform it into valid file name.
+        suffix = title:gsub(" ", "-"):gsub("[^A-Za-z0-9-]", ""):lower()
+      else
+        -- If title is nil, just add 4 random uppercase letters to the suffix.
+        for _ = 1, 4 do
+          suffix = suffix .. string.char(math.random(65, 90))
+        end
+      end
+      return tostring(os.time()) .. "-" .. suffix
     end,
     note_frontmatter_func = function(note)
       local out = {