diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3f296e7..f905c07 100755
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+      - fix-ci
 
   pull_request:
     branches:
@@ -31,6 +32,8 @@ jobs:
       run: brew install openssl && brew info openssl
     - name: Install XQuartz
       run: brew install xquartz --cask && brew info xquartz
+    - name: Install groff
+      run: brew install groff --cask && brew info groff
     - name: Compile
       run: make -C GUI/xephem
     - name: Test