diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc
index d29ff5543..8d67691f0 100644
--- a/src/libexpr/eval.cc
+++ b/src/libexpr/eval.cc
@@ -1590,7 +1590,7 @@ void EvalState::autoCallFunction(Bindings & args, Value & fun, Value & res)
 Nix attempted to evaluate a function as a top level expression; in
 this case it must have its arguments supplied either by default
 values, or passed explicitly with '--arg' or '--argstr'. See
-https://nixos.org/manual/nix/stable/#ss-functions.)", symbols[i.name]);
+https://nixos.org/manual/nix/stable/expressions/language-constructs.html#functions.)", symbols[i.name]);
 
             }
         }