diff --git a/internal/vociferate/vociferate_test.go b/internal/vociferate/vociferate_test.go
index c1bd589..ffe178e 100644
--- a/internal/vociferate/vociferate_test.go
+++ b/internal/vociferate/vociferate_test.go
@@ -21,6 +21,10 @@ func TestPrepareSuite(t *testing.T) {
 
 func (s *PrepareSuite) SetupTest() {
 	s.rootDir = s.T().TempDir()
+	// Clear environment variables that take precedence over git config
+	s.T().Setenv("GITHUB_SERVER_URL", "")
+	s.T().Setenv("GITHUB_REPOSITORY", "")
+	
 	require.NoError(s.T(), os.MkdirAll(filepath.Join(s.rootDir, ".git"), 0o755))
 	require.NoError(s.T(), os.WriteFile(
 		filepath.Join(s.rootDir, ".git", "config"),