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-rw-r--r--tvix/eval/src/builtins/mod.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/tvix/eval/src/builtins/mod.rs b/tvix/eval/src/builtins/mod.rs
index 464809b270e0..d774e8813814 100644
--- a/tvix/eval/src/builtins/mod.rs
+++ b/tvix/eval/src/builtins/mod.rs
@@ -901,7 +901,7 @@ mod pure_builtins {
     async fn builtin_trace(co: GenCo, message: Value, value: Value) -> Result<Value, ErrorKind> {
         // TODO(grfn): `trace` should be pluggable and capturable, probably via a method on
         // the VM
-        println!("trace: {} :: {}", message, message.type_of());
+        eprintln!("trace: {} :: {}", message, message.type_of());
         Ok(value)
     }