diff --git a/.github/workflows/dev_asan.yml b/.github/workflows/dev_asan.yml
index a2a5c3ba..bffafd3e 100644
--- a/.github/workflows/dev_asan.yml
+++ b/.github/workflows/dev_asan.yml
@@ -1,9 +1,9 @@
 name: run address sanitizer
 on:
   push:
-    branches: [main]
+    branches: [master]
   pull_request:
-    branches: [main]
+    branches: [master]
 jobs:
   Matrix-build:
     runs-on: ${{ matrix.os }}
@@ -24,4 +24,4 @@ jobs:
         run: cmake --build build --config Asan
       - name: run all the compiled Catch tests with address sanitizer
         run: cd build && ASAN_OPTIONS=detect_stack_use_after_return=1:verbosity=1 ASAN_SYMBOLIZER_PATH=`brew --prefix`/opt/llvm/bin/llvm-symbolizer ./catch_tests --benchmark-samples 1
-        # ASAN CLI docs here: https://github.com/google/sanitizers/wiki/AddressSanitizerFlags
\ No newline at end of file
+        # ASAN CLI docs here: https://github.com/google/sanitizers/wiki/AddressSanitizerFlags