diff --git a/scripts/release/process-release.ts b/scripts/release/process-release.ts
index 523ca01528..8645e3b205 100755
--- a/scripts/release/process-release.ts
+++ b/scripts/release/process-release.ts
@@ -120,9 +120,7 @@ async function updateVersionForJavascript(
   Object.values(GENERATORS)
     .filter((gen) => gen.language === 'javascript')
     .forEach((gen) => {
-      const additionalProperties =
-        openapiConfig['generator-cli'].generators[gen.key].additionalProperties;
-
+      const additionalProperties = gen.additionalProperties;
       const newVersion = semver.inc(
         additionalProperties.packageVersion,
         jsVersion.releaseType