diff --git a/nix-repl.cc b/nix-repl.cc
index dea50a779..ab943f7ba 100644
--- a/nix-repl.cc
+++ b/nix-repl.cc
@@ -656,7 +656,7 @@ std::ostream & NixRepl::printValue(std::ostream & str, Value & v, unsigned int m
         break;
 
     case tLambda:
-        str << ESC_BLU "«lambda»" ESC_END;
+        str << ESC_BLU "«lambda defined at " << v.lambda.fun->pos << "»" ESC_END;
         break;
 
     case tPrimOp: