diff --git a/action.yml b/action.yml
index 15c4cfb..aebfb08 100644
--- a/action.yml
+++ b/action.yml
@@ -37,7 +37,7 @@ inputs:
       <Project Sdk="Godot.NET.Sdk/4.0.0"> <!-- BAD -->
       ```
     required: true
-  custom_url:
+  custom-url:
     description: >-
       Optional custom URL to download a custom Godot build. If set, the action will
       download and use this build instead of determining a version from `version`.
@@ -45,7 +45,7 @@ inputs:
       ```yaml
       - uses: Mimyr-Games-LTD/setup-godot-custom@v1
         with:
-          custom_url: 'https://example.com/my_custom_godot_build.zip'
+          custom-url: 'https://example.com/my_custom_godot_build.zip'
       ```
     required: false
     default: ''
diff --git a/src/main.ts b/src/main.ts
index f9a7b6a..45a59b0 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -21,7 +21,7 @@ async function run(platform: Platform): Promise<void> {
     .getInput('downloads-path')
     .replace(/\s/g, '')
   let version = core.getInput('version').replace(/\s/g, '')
-  const customUrl = core.getInput('custom_url').trim() 
+  const customUrl = core.getInput('custom-url').replace(/\s/g, '')
   const useDotnet = core.getBooleanInput('use-dotnet')
   const binRelativePath = core.getInput('bin-path').replace(/\s/g, '')
   const godotSharpRelease = core.getBooleanInput('godot-sharp-release')