diff --git a/.github/workflows/scriptabledebugger.yml b/.github/workflows/scriptabledebugger.yml
index 721f1d0..d7e6632 100644
--- a/.github/workflows/scriptabledebugger.yml
+++ b/.github/workflows/scriptabledebugger.yml
@@ -11,7 +11,7 @@ on:
   push:
     branches: [ Pharo-11 ]
   pull_request:
-    branches: [ Pharo-11, master ]
+    branches: [ Pharo-11 ]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch: