diff --git a/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/provider/wiremock/WireMockHttpServerStubAccessor.groovy b/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/provider/wiremock/WireMockHttpServerStubAccessor.groovy
index 82b3690440..477c6e592c 100644
--- a/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/provider/wiremock/WireMockHttpServerStubAccessor.groovy
+++ b/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/provider/wiremock/WireMockHttpServerStubAccessor.groovy
@@ -22,4 +22,8 @@ class WireMockHttpServerStubAccessor {
 		assert WireMockHttpServerStub.SERVERS.every { it.value.random }
 		return true
 	}
+
+	static void clear() {
+		WireMockHttpServerStub.SERVERS.clear()
+	}
 }
diff --git a/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/spring/StubRunnerConfigurationSpec.groovy b/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/spring/StubRunnerConfigurationSpec.groovy
index 9016d3a993..754748006d 100644
--- a/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/spring/StubRunnerConfigurationSpec.groovy
+++ b/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/spring/StubRunnerConfigurationSpec.groovy
@@ -74,6 +74,7 @@ class StubRunnerConfigurationSpec extends Specification {
 	void setupProps() {
 		System.clearProperty("stubrunner.repository.root")
 		System.clearProperty("stubrunner.classifier")
+		WireMockHttpServerStubAccessor.clear()
 	}
 
 	def 'should mark all ports as random'() {