diff --git a/modules/corelib/util.lua b/modules/corelib/util.lua
index 26fc6920..3f20e982 100644
--- a/modules/corelib/util.lua
+++ b/modules/corelib/util.lua
@@ -259,8 +259,8 @@ function signalcall(param, ...)
   return false
 end
 
-function tr(s)
-  return s
+function tr(s, ...)
+  return string.format(s, ...)
 end
 
 -- @}
\ No newline at end of file