diff --git a/lib/pact_broker/client/git.rb b/lib/pact_broker/client/git.rb
index e4b53b04..5c13def6 100644
--- a/lib/pact_broker/client/git.rb
+++ b/lib/pact_broker/client/git.rb
@@ -18,7 +18,7 @@
 module PactBroker
   module Client
     module Git
-      COMMAND = 'git branch --remote --verbose --no-abbrev --contains'.freeze
+      COMMAND = 'git name-rev --name-only HEAD'.freeze
       BRANCH_ENV_VAR_NAMES = %w{BUILDKITE_BRANCH CIRCLE_BRANCH TRAVIS_BRANCH GIT_BRANCH GIT_LOCAL_BRANCH APPVEYOR_REPO_BRANCH CI_COMMIT_REF_NAME}.freeze
 
       def self.branch
diff --git a/spec/lib/pact_broker/client/git_spec.rb b/spec/lib/pact_broker/client/git_spec.rb
index 42e816e8..a454a868 100644
--- a/spec/lib/pact_broker/client/git_spec.rb
+++ b/spec/lib/pact_broker/client/git_spec.rb
@@ -26,7 +26,7 @@ module Git
 
         context "when there is no known environment variable for the branch", skip_ci: true do
           it "attempts to execute a git command to determine the value" do
-            expect { subject }.to_not raise_error
+            expect(subject).to_not be_empty
           end
         end