diff --git a/tests/pass-rate.sh b/tests/pass-rate.sh
index d078c32b58..3fe0665a3a 100755
--- a/tests/pass-rate.sh
+++ b/tests/pass-rate.sh
@@ -13,15 +13,17 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-curl -s https://api.github.com/repos/vmware/vic/commits?access_token=$GITHUB_AUTOMATION_API_KEY | jq -r ".[].sha" | xargs -n1 -I{} curl -s https://api.github.com/repos/vmware/vic/statuses/{}?access_token=$GITHUB_AUTOMATION_API_KEY | jq -r ".[-0].state" > status.out
+commits=$(curl -s https://api.github.com/repos/vmware/vic/commits?access_token=$GITHUB_AUTOMATION_API_KEY | jq -r ' map(.sha) | join(",")')
+curl -s https://api.github.com/repos/vmware/vic/statuses/{$commits}?access_token=$GITHUB_AUTOMATION_API_KEY | jq '.[] | select((.context == "continuous-integration/vic/push") and (.state != "pending")) | "\(.target_url): \(.state)"' | tee status.out
 
 failures=$(cat status.out | grep -c failure)
-echo "Number of failed merges to master in the last 30 merges: $failures"
 successes=$(cat status.out | grep -c success)
-echo "Number of successful merges to master in the last 30 merges: $successes"
 
 let total=$successes+$failures
 passrate=$(bc -l <<< "scale=2;100 * ($successes / $total)")
 
+echo "Number of failed merges to master in the last $total merges: $failures"
+echo "Number of successful merges to master in the last $total merges: $successes"
+
 echo "Current vmware/vic CI passrate: $passrate"
 curl --max-time 10 --retry 3 -s -d "payload={'channel': '#vic-bots', 'text': 'Current vmware/vic CI passrate: $passrate%'}" "$SLACK_URL"