diff --git a/.github/workflows/pull_request_ubuntu_build.yml b/.github/workflows/pull_request_ubuntu_build.yml
index 60dd5d690..1b101bee8 100644
--- a/.github/workflows/pull_request_ubuntu_build.yml
+++ b/.github/workflows/pull_request_ubuntu_build.yml
@@ -2,7 +2,7 @@ name: CI - Pull request - Ubuntu
 
 on:
   pull_request:
-    branches: [ "main" ]
+    branches: [ "master" ]
 
 jobs:
   build:
diff --git a/.github/workflows/push_ubuntu_build.yml b/.github/workflows/push_ubuntu_build.yml
index 7c261f52a..79ff3234b 100644
--- a/.github/workflows/push_ubuntu_build.yml
+++ b/.github/workflows/push_ubuntu_build.yml
@@ -2,7 +2,7 @@ name: CI - Push request - Ubuntu
 
 on:
   push:
-    branches: [ "main" ]
+    branches: [ "master" ]
 
 jobs:
   build: