diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fb360baa..99df98e5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -212,9 +212,9 @@ jobs:
       - name: Install macOS dependencies
         if: startsWith(matrix.os, 'macos-')
         run: |
-          brew install bison boost libogg ninja pkg-config qt5
+          brew install bison boost gfortran libogg ninja pkg-config qt5
           brew link qt5 --force
-          echo "FC=gfortran-11" >> ${GITHUB_ENV}
+          echo "FC=/opt/homebrew/bin/gfortran" >> ${GITHUB_ENV}
           echo "YACC=/opt/homebrew/opt/bison/bin/bison" >> ${GITHUB_ENV}
           echo "CPATH=/opt/homebrew/include" >> ${GITHUB_ENV}
           echo "LIBRARY_PATH=/opt/homebrew/lib" >> ${GITHUB_ENV}
diff --git a/bfg9000/tools/msvc/__init__.py b/bfg9000/tools/msvc/__init__.py
index 5845af5e..6caf708c 100644
--- a/bfg9000/tools/msvc/__init__.py
+++ b/bfg9000/tools/msvc/__init__.py
@@ -90,8 +90,13 @@ def _parse_brand(env, command, version_output):
 
     @staticmethod
     def check_command(env, command):
-        return env.execute(command + ['-?'], stdout=shell.Mode.pipe,
-                           stderr=shell.Mode.stdout)
+        output = env.execute(command + ['-?'], stdout=shell.Mode.pipe,
+                             stderr=shell.Mode.stdout)
+        # XXX: The `templight` tool exits with zero status even though it
+        # properly reports that it doesn't understand the "-?" option.
+        if 'error: unknown argument' in output:
+            raise shell.CalledProcessError(1, output)
+        return output
 
     @property
     def flavor(self):