diff --git a/ci/benchmark.sh b/ci/benchmark.sh
index 71c65ab55b..a9208ee229 100755
--- a/ci/benchmark.sh
+++ b/ci/benchmark.sh
@@ -35,14 +35,24 @@ TARGET="https://${ZEEK_BENCHMARK_HOST}:${ZEEK_BENCHMARK_PORT}${ZEEK_BENCHMARK_EN
 set +e
 
 # Make a request to the benchmark host.
-RESULTS=$(curl -sS --stderr - --fail --insecure -X POST -H "Zeek-HMAC: ${HMAC_DIGEST}" -H "Zeek-HMAC-Timestamp: ${TIMESTAMP}" "${TARGET}?branch=${CIRRUS_BRANCH}&build=${BUILD_URL}&build_hash=${BUILD_HASH}&commit=${CIRRUS_CHANGE_IN_REPO}")
+curl -sS -G --stderr - --fail --insecure -X POST \
+    -o "/zeek/benchmark-${TIMESTAMP}.log" \
+    -H "Zeek-HMAC: ${HMAC_DIGEST}" \
+    -H "Zeek-HMAC-Timestamp: ${TIMESTAMP}" \
+    --data-urlencode branch=${CIRRUS_BRANCH} \
+    --data-urlencode build=${BUILD_URL} \
+    --data-urlencode build_hash=${BUILD_HASH} \
+    --data-urlencode commit=${CIRRUS_CHANGE_IN_REPO} \
+    "${TARGET}"
+
 STATUS=$?
 
 # If we got a bad status back from the host, we want to make sure to mask the host
 # and port from the output.
 if [ $STATUS -ne 0 ]; then
-    RESULTS=$(echo "${RESULTS}" | sed "s/${ZEEK_BENCHMARK_HOST}/<secret>/g" | sed "s/:${ZEEK_BENCHMARK_PORT}/:<secret>/g")
+    cat /zeek/benchmark-${TIMESTAMP}.log | sed "s/${ZEEK_BENCHMARK_HOST}/<secret>/g" | sed "s/:${ZEEK_BENCHMARK_PORT}/:<secret>/g"
+else
+    cat /zeek/benchmark-${TIMESTAMP}.log
 fi
 
-echo "$RESULTS"
 exit $STATUS