diff --git a/codex-rs/core/src/rollout/truncation.rs b/codex-rs/core/src/rollout/truncation.rs
index b8127f0345..81c1fe3f01 100644
--- a/codex-rs/core/src/rollout/truncation.rs
+++ b/codex-rs/core/src/rollout/truncation.rs
@@ -77,7 +77,7 @@ mod tests {
         ResponseItem::Message {
             id: None,
             role: "user".to_string(),
-            content: vec![ContentItem::OutputText {
+            content: vec![ContentItem::InputText {
                 text: text.to_string(),
             }],
         }