diff --git a/.github/workflows/main_matrix.yml b/.github/workflows/main_matrix.yml
index f687f4bf0..b03d939cc 100644
--- a/.github/workflows/main_matrix.yml
+++ b/.github/workflows/main_matrix.yml
@@ -1,8 +1,8 @@
-name: Continuous Integration
+name: Continuous Integration PR Checks (1.2 Legacy)
 on:
   # # Triggers the workflow on push but only for the master branch
   push:
-    branches: [ master ]
+    branches: [ 1.2-legacy ]
     paths-ignore:
       - '**.md'
       - '**.yml'
@@ -10,7 +10,7 @@ on:
       
   # Note: This is different from "pull_request". Need to specify ref when doing checkouts.
   pull_request_target:
-    branches: [ master ]
+    branches: [ 1.2-legacy ]
     paths-ignore:
       - '**.md'
       - '**.yml'