diff --git a/scripts/release/prepare-release-from-npm-commands/parse-params.js b/scripts/release/prepare-release-from-npm-commands/parse-params.js
index ef9c4979b20..10dbfb4e51f 100644
--- a/scripts/release/prepare-release-from-npm-commands/parse-params.js
+++ b/scripts/release/prepare-release-from-npm-commands/parse-params.js
@@ -56,6 +56,7 @@ module.exports = () => {
   const params = commandLineArgs(paramDefinitions);
 
   splitCommaParams(params.skipPackages);
+  splitCommaParams(params.onlyPackages);
 
   return params;
 };
diff --git a/scripts/release/publish-commands/parse-params.js b/scripts/release/publish-commands/parse-params.js
index ce9a9b7825c..69a53737acc 100644
--- a/scripts/release/publish-commands/parse-params.js
+++ b/scripts/release/publish-commands/parse-params.js
@@ -49,6 +49,7 @@ const paramDefinitions = [
 module.exports = () => {
   const params = commandLineArgs(paramDefinitions);
   splitCommaParams(params.skipPackages);
+  splitCommaParams(params.onlyPackages);
   splitCommaParams(params.tags);
   params.tags.forEach(tag => {
     switch (tag) {