diff --git a/.github/workflows/CI.yaml b/.github/workflows/CI.yaml
index 6201c320..9074d321 100644
--- a/.github/workflows/CI.yaml
+++ b/.github/workflows/CI.yaml
@@ -215,7 +215,8 @@ jobs:
           path: build/mopac-*-linux.*
 
   mac-build:
-    runs-on: macos-latest
+    # macos-latest is now ARM-based, MOPAC is being distributed for Intel-based Macs right now, so using Intel-based standard runner from before the recent runner updates
+    runs-on: macos-12
     timeout-minutes: 30
 
     steps: