diff --git a/.github/workflows/autotools-macos.yml b/.github/workflows/autotools-macos.yml
index 80f64b62..4a53cb6e 100644
--- a/.github/workflows/autotools-macos.yml
+++ b/.github/workflows/autotools-macos.yml
@@ -5,6 +5,7 @@ on:
   #push:
   schedule:
     - cron: 0 20 * * *
+  workflow_dispatch:
 jobs:
 
   brew:
@@ -129,7 +130,7 @@ jobs:
 
     - name: Install Macports
       run: |
-        curl -LO https://raw.githubusercontent.com/GiovanniBussi/macports-ci/master/macports-ci; source ./macports-ci install
+        curl -LO https://raw.githubusercontent.com/GiovanniBussi/macports-ci/master/macports-ci; source ./macports-ci install --remove-brew
 
     - name: Install Dependencies
       run: |