diff --git a/lua/lib/git.lua b/lua/lib/git.lua
index 9aadef01..356f880a 100644
--- a/lua/lib/git.lua
+++ b/lua/lib/git.lua
@@ -1,3 +1,4 @@
+local utils = require'lib.utils'
 local M = {}
 
 local roots = {}
@@ -26,10 +27,6 @@ function M.reload_roots()
   end
 end
 
-local function path_to_matching_str(path)
-  return path:gsub('(%-)', '(%%-)'):gsub('(%.)', '(%%.)')
-end
-
 local function get_git_root(path)
   if roots[path] then
     return path, roots[path]
@@ -37,7 +34,7 @@ local function get_git_root(path)
 
   for name, status in pairs(roots) do
     if status ~= not_git then
-      if path:match(path_to_matching_str(name)) then
+      if path:match(utils.path_to_matching_str(name)) then
         return name, status
       end
     end
@@ -65,7 +62,7 @@ function M.update_status(entries, cwd)
     return
   end
 
-  local matching_cwd = path_to_matching_str(git_root..'/')
+  local matching_cwd = utils.path_to_matching_str(git_root..'/')
   for _, node in pairs(entries) do
     local relpath = node.absolute_path:gsub(matching_cwd, '')
     if node.entries ~= nil then
@@ -77,7 +74,7 @@ function M.update_status(entries, cwd)
     if status then
       node.git_status = status
     elseif node.entries ~= nil then
-      local matcher = '^'..path_to_matching_str(relpath)
+      local matcher = '^'..utils.path_to_matching_str(relpath)
       for key, _ in pairs(git_status) do
         if key:match(matcher) then
           node.git_status = 'dirty'
diff --git a/lua/lib/populate.lua b/lua/lib/populate.lua
index f07eeabe..bfeef983 100644
--- a/lua/lib/populate.lua
+++ b/lua/lib/populate.lua
@@ -7,9 +7,7 @@ local luv = vim.loop
 
 local M = {}
 
-local function path_to_matching_str(path)
-  return path:gsub('(%-)', '(%%-)'):gsub('(%.)', '(%%.)')
-end
+local path_to_matching_str = require'lib.utils'.path_to_matching_str
 
 local function dir_new(cwd, name)
   local absolute_path = cwd..'/'..name
diff --git a/lua/lib/utils.lua b/lua/lib/utils.lua
new file mode 100644
index 00000000..6147c7d2
--- /dev/null
+++ b/lua/lib/utils.lua
@@ -0,0 +1,7 @@
+local M = {}
+
+function M.path_to_matching_str(path)
+  return path:gsub('(%-)', '(%%-)'):gsub('(%.)', '(%%.)'):gsub('(%_)', '(%%_)')
+end
+
+return M