diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 676814635b..5db6184ece 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -6,16 +6,8 @@
 # Name of this Workflow
 name: Build PineTime Firmware
 
-# When to run this Workflow...
-on:
-
-  # Run this Workflow when files are updated (Pushed) in the "master" Branch
-  push:
-    branches: [ master ]
-
-  # Also run this Workflow when a Pull Request is created or updated in the "master" Branch
-  pull_request:
-    branches: [ master ]
+# Run this Workflow when Pull Request is created or updated
+on: [pull_request]
 
 # Steps to run for the Workflow
 jobs:
@@ -168,4 +160,4 @@ jobs:
           find . -name "pinetime-mcuboot-app.*" -ls
 
 # Embedded Arm Toolchain and nRF5 SDK will only be cached if the build succeeds.
-# So make sure that the first build always succeeds, e.g. comment out the "Make" step.
\ No newline at end of file
+# So make sure that the first build always succeeds, e.g. comment out the "Make" step.