diff --git a/action.yml b/action.yml
index 9b15026..53fdc2c 100644
--- a/action.yml
+++ b/action.yml
@@ -34,12 +34,15 @@ inputs:
   sudo:
     description: Set to "true" if root is required for running your playbook
     required: false
+    default: "false"
   no_color:
     description: Set to "true" if the Ansible output should not include colors (defaults to "false")
     required: false
+    default: "false"
   check_mode:
     description: Set to "true" to enable check (dry-run) mode
     required: false
+    default: "false"
 outputs:
   output:
     description: The captured output of both stdout and stderr from the Ansible Playbook run
diff --git a/main.js b/main.js
index ca862fd..0ef3b5e 100644
--- a/main.js
+++ b/main.js
@@ -15,9 +15,9 @@ async function main() {
         const vaultPassword = core.getInput("vault_password")
         const knownHosts = core.getInput("known_hosts")
         const options = core.getInput("options")
-        const sudo    = core.getInput("sudo")
-        const noColor = core.getInput("no_color")
-        const checkMode = core.getInput("check_mode")
+        const sudo    = core.getBooleanInput("sudo")
+        const noColor = core.getBooleanInput("no_color")
+        const checkMode = core.getBooleanInput("check_mode")
         const fileMode = 0600
 
         let cmd = ["ansible-playbook", playbook]