1 files changed, 5 insertions, 1 deletions
diff --git a/src/libexpr/primops/fromTOML.cc b/src/libexpr/primops/fromTOML.cc
index c43324dbb..948069401 100644
--- a/src/libexpr/primops/fromTOML.cc
+++ b/src/libexpr/primops/fromTOML.cc
@@ -81,7 +81,11 @@ static void prim_fromTOML(EvalState & state, const Pos & pos, Value * * args, Va
     try {
         visit(v, parser(tomlStream).parse());
     } catch (std::runtime_error & e) {
-        throw EvalError("while parsing a TOML string at %s: %s", pos, e.what());
+        throw EvalError(
+            ErrorInfo {
+                .hint = hintfmt("while parsing a TOML string: %s", e.what()),
+                .nixCode = NixCode { .errPos = pos }
+            });
     }
 }