diff --git a/main.js b/main.js
index a7a8569..50fb45e 100644
--- a/main.js
+++ b/main.js
@@ -69,7 +69,7 @@ async function main() {
             const knownHostsFile = ".ansible_known_hosts"
             fs.writeFileSync(knownHostsFile, knownHosts, { mode: 0600 })
             core.saveState("knownHostsFile", knownHostsFile)
-            cmd.push("--ssh-common-args", `-o UserKnownHostsFile=${knownHostsFile}`)
+            cmd.push("--ssh-common-args", `'-o UserKnownHostsFile=${knownHostsFile}'`)
             process.env.ANSIBLE_HOST_KEY_CHECKING = "True"
         } else {
             process.env.ANSIBLE_HOST_KEY_CHECKING = "False"