diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9b3feca..9e68d9e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -28,7 +28,7 @@ jobs:
       # Enable additonal repositories
       - name: Enable source repositories
         run: |
-          sudo sed -i  's/^#.deb/deb/g' /etc/apt/sources.list
+          sudo sed -i  's/^#.deb/deb/g;s/^mirror.*//g' /etc/apt/sources.list
 
       # Disable Github's apt mirror
       - name: Disable Github apt mirror