diff --git a/t/test-lib.sh b/t/test-lib.sh
index 70fd3e9baf..63db941bb7 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -1190,14 +1190,14 @@ check_test_results_san_file_ () {
 	then
 		return
 	fi &&
-	say_color error "$(cat "$TEST_RESULTS_SAN_FILE".*)" &&
+	say_color >&4 error "$(cat "$TEST_RESULTS_SAN_FILE".*)" &&
 
 	if test "$test_failure" = 0
 	then
-		say "Our logs revealed a memory leak, exit non-zero!" &&
+		say >&4 "Our logs revealed a memory leak, exit non-zero!" &&
 		invert_exit_code=t
 	else
-		say "Our logs revealed a memory leak..."
+		say >&4 "Our logs revealed a memory leak..."
 	fi
 }