diff --git a/scripts/build_matrix.mjs b/scripts/build_matrix.mjs
index 4090cb4..dd2c8aa 100644
--- a/scripts/build_matrix.mjs
+++ b/scripts/build_matrix.mjs
@@ -46,8 +46,7 @@ function deploy(sites) {
 function reduceSites(allSites, sitesChanged) {
   return Object.entries(allSites).reduce((accum, [pkg, project]) => {
     if (sitesChanged.includes(pkg)) {
-      accum["package"] = pkg;
-      accum["project"] = project;
+      accum[pkg] = project;
     }
     return accum;
   }, {});