diff --git a/lib/pact/provider_verifier/app.rb b/lib/pact/provider_verifier/app.rb
index b048bb3..6c3514d 100644
--- a/lib/pact/provider_verifier/app.rb
+++ b/lib/pact/provider_verifier/app.rb
@@ -40,7 +40,6 @@ def call
       def setup
         print_deprecation_note
         set_environment_variables
-        configure_service_provider
         require_pact_project_pact_helper # Beth: not sure if this is needed, hangover from pact-provider-proxy?
       end
 
@@ -106,12 +105,24 @@ def verify_pact pact_url
           verify_options[:description] = ENV['PACT_DESCRIPTION'] if ENV['PACT_DESCRIPTION']
           verify_options[:provider_state] = ENV['PACT_PROVIDER_STATE'] if ENV['PACT_PROVIDER_STATE']
 
+          reset_pact_configuration
+          # Really, this should call the PactSpecRunner directly, rather than using the CLI class.
           Cli::RunPactVerification.call(verify_options)
         rescue SystemExit => e
           e.status
         end
       end
 
+      def reset_pact_configuration
+        require 'pact/configuration'
+        require 'pact/consumer/world'
+        require 'pact/provider/world'
+        Pact.clear_configuration
+        Pact.clear_consumer_world
+        Pact.clear_provider_world
+        configure_service_provider
+      end
+
       def require_pact_project_pact_helper
         require ENV['PACT_PROJECT_PACT_HELPER'] if ENV.fetch('PACT_PROJECT_PACT_HELPER','') != ''
       end
diff --git a/spec/integration_spec.rb b/spec/integration_spec.rb
index ed69f38..55edcd5 100644
--- a/spec/integration_spec.rb
+++ b/spec/integration_spec.rb
@@ -47,6 +47,21 @@
     end
   end
 
+  context "when there are multiple pacts to verify with --format json" do
+    subject { `bundle exec bin/pact-provider-verifier ./test/me-they.json ./test/me-they.json --format json -a 1.0.100 --provider-base-url http://localhost:4567 --provider-states-setup-url http://localhost:4567/provider-state` }
+
+    it "sends the results of both pacts to stdout" do
+      expect(subject).to include "}{"
+      expect(subject.scan(/\d examples, \d failure/).count).to eq 2
+    end
+
+    it "allows the results to be split and parsed to JSON" do
+      result_1, result_2 = subject.split("}{", 2)
+      JSON.parse(result_1 + "}")
+      JSON.parse("{" + result_2)
+    end
+  end
+
   context "when there is an error setting up the state" do
 
     subject { `bundle exec bin/pact-provider-verifier ./test/me-they.json -a 1.0.100 --provider-base-url http://localhost:4567 --provider-states-setup-url http://localhost:4567/wrong -v` }