diff --git a/src/lib.ts b/src/lib.ts
index 24cfc5e52..483753855 100644
--- a/src/lib.ts
+++ b/src/lib.ts
@@ -51,13 +51,14 @@ export default async function run(
 
     const settings: ActionInterface = {
       ...action,
-      ...configuration,
-      // Set the default branch for Node configurations
-      branch: !isNullOrUndefined(configuration.branch)
-        ? configuration.branch
-        : 'gh-pages'
+      ...configuration
     }
 
+    // Sets the branch to the default value if it's not defined
+    settings.branch = !isNullOrUndefined(settings.branch)
+      ? settings.branch
+      : 'gh-pages'
+
     // Defines the repository/folder paths and token types.
     // Also verifies that the action has all of the required parameters.
     settings.folderPath = generateFolderPath(settings)