diff --git a/script/run-unit-evals b/script/run-unit-evals
index c5178add7a1e4c76151b3907771abe81ba46aaaf..adbf96553691d24a4f7253806bcb38f5ef78ab2a 100755
--- a/script/run-unit-evals
+++ b/script/run-unit-evals
@@ -3,7 +3,7 @@
 set -euxo pipefail
 
 if [ -n "${UNIT_EVAL_COMMIT:-}" ]; then
-  git checkout "$UNIT_EVAL_COMMIT"
+  git fetch origin "$UNIT_EVAL_COMMIT" && git checkout "$UNIT_EVAL_COMMIT"
 fi
 
 GPUI_TEST_TIMEOUT=1500 cargo nextest run --workspace --no-fail-fast --features unit-eval --no-capture -E 'test(::eval_)'