diff --git a/dist/index.js b/dist/index.js
index 79f47623..10a00745 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -2325,6 +2325,7 @@ function build(filename, version, os_version) {
     return __awaiter(this, void 0, void 0, function* () {
         // taking inputs
         const extension_csv = (yield utils.getInput('extensions', false)) ||
+            (yield utils.getInput('extension', false)) ||
             (yield utils.getInput('extension-csv', false));
         const ini_values_csv = (yield utils.getInput('ini-values', false)) ||
             (yield utils.getInput('ini-values-csv', false));
diff --git a/src/install.ts b/src/install.ts
index 1bd8cf79..c908b8ec 100644
--- a/src/install.ts
+++ b/src/install.ts
@@ -22,6 +22,7 @@ export async function build(
   // taking inputs
   const extension_csv: string =
     (await utils.getInput('extensions', false)) ||
+    (await utils.getInput('extension', false)) ||
     (await utils.getInput('extension-csv', false));
   const ini_values_csv: string =
     (await utils.getInput('ini-values', false)) ||