diff --git a/rtmc.lua b/rtmc.lua
index 340da74..0cbafef 100644
--- a/rtmc.lua
+++ b/rtmc.lua
@@ -355,7 +355,9 @@ rawset(__BUNDLER_FILES, "updater", function ()
             branch = branch,
             url = url
         };
-        self:update(path, url);
+        if not fs.exists(path) then
+            self:update(path, url);
+        end
     end
     function updater:checkAndUpdateAll()
         local updated = false;
diff --git a/src/updater.lua b/src/updater.lua
index 24bcde4..75379b0 100644
--- a/src/updater.lua
+++ b/src/updater.lua
@@ -32,7 +32,9 @@ function updater:addEntry(path, branch, url)
         branch = branch,
         url = url
     };
-    self:update(path, url);
+    if not fs.exists(path) then
+        self:update(path, url);
+    end
 end
 
 function updater:checkAndUpdateAll()