diff --git a/crates/polars-core/src/series/ops/downcast.rs b/crates/polars-core/src/series/ops/downcast.rs
index 7551cec21af9..f095c512eb67 100644
--- a/crates/polars-core/src/series/ops/downcast.rs
+++ b/crates/polars-core/src/series/ops/downcast.rs
@@ -3,7 +3,7 @@ use crate::series::implementations::null::NullChunked;
 
 macro_rules! unpack_chunked_err {
     ($series:expr => $name:expr) => {
-        polars_err!(SchemaMismatch: "invalid series dtype: expected `{}`, got `{}`", $name, $series.dtype())
+        polars_err!(SchemaMismatch: "invalid series dtype: expected `{}`, got `{}` for series with name `{}`", $name, $series.dtype(), $series.name())
     };
 }