diff --git a/src/definition_publish.ts b/src/definition_publish.ts
index 3513fde..ad5a9a5 100644
--- a/src/definition_publish.ts
+++ b/src/definition_publish.ts
@@ -5,9 +5,7 @@ const run = async (): Promise<void> => {
   const file = core.getInput("file")
 
   try {
-    const command = `mass definition publish`
-    const args = [`--file`, file]
-    await exec.exec(command, args)
+    await exec.exec("mass", ["definition", "publish", file])
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
   } catch (error: any) {
     core.setFailed(error.message)