diff --git a/nselib/ipOps.lua b/nselib/ipOps.lua
index 23d25311e..b5ed44268 100644
--- a/nselib/ipOps.lua
+++ b/nselib/ipOps.lua
@@ -160,7 +160,7 @@ end
 --@return The string representing the address.
 fromdword = function( ip )
   if type( ip ) ~= "number" then
-    stdnse.debug1("Error in ipOps.todword: Expected IPv4 address.")
+    stdnse.debug1("Error in ipOps.fromdword: Expected 32-bit number.")
     return nil
   end