diff --git a/tools/checksum_benchmarks.sh b/tools/checksum_benchmarks.sh
index c58e171..6b22186 100755
--- a/tools/checksum_benchmarks.sh
+++ b/tools/checksum_benchmarks.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -eu
+set -eu -o pipefail
 
 have_cpu_feature() {
 	local feature="$1"