diff --git a/action.yml b/action.yml
index 6a7df1c..4b7baaf 100644
--- a/action.yml
+++ b/action.yml
@@ -4,11 +4,11 @@ inputs:
   message:
     description: "Text"
     required: false
-    default: ""
+    default: ''
   message_id:
     description: "Message ID"
     required: false
-    default: ""
+    default: ''
 #  update:
 #    description: "Update message by ID"
 #    required: false
@@ -16,7 +16,7 @@ inputs:
   delete:
     description: "Message ID to delete"
     required: false
-    default: 'false'
+    default: ''
   chat_id:
     description: "Chat ID"
     required: true
@@ -48,7 +48,7 @@ runs:
         GITHUB_ACTION_PATH: ${{ github.action_path }}
 
     - name: Send message
-      if: inputs.message != ""
+      if: inputs.message != ''
       run: sendMessage "${{ inputs.bot_token }}" ${{ inputs.chat_id }} "${{ inputs.message }}"
       shell: bash
 #