diff --git a/wiremock-spring-boot/src/main/java/org/wiremock/spring/internal/WireMockServerCreator.java b/wiremock-spring-boot/src/main/java/org/wiremock/spring/internal/WireMockServerCreator.java
index c24da67..1ef56e6 100644
--- a/wiremock-spring-boot/src/main/java/org/wiremock/spring/internal/WireMockServerCreator.java
+++ b/wiremock-spring-boot/src/main/java/org/wiremock/spring/internal/WireMockServerCreator.java
@@ -45,6 +45,7 @@ public WireMockServer createWireMockServer(
 
     final int serverHttpPort = portResolver.getServerHttpPortProperty(options);
     final boolean httpEnabled = serverHttpPort != PORT_DISABLED;
+    serverOptions.httpDisabled(!httpEnabled);
     if (httpEnabled) {
       serverOptions.port(serverHttpPort);
     }
diff --git a/wiremock-spring-boot/src/main/java/org/wiremock/spring/internal/WireMockSpringJunitExtension.java b/wiremock-spring-boot/src/main/java/org/wiremock/spring/internal/WireMockSpringJunitExtension.java
index 507e429..70eede4 100644
--- a/wiremock-spring-boot/src/main/java/org/wiremock/spring/internal/WireMockSpringJunitExtension.java
+++ b/wiremock-spring-boot/src/main/java/org/wiremock/spring/internal/WireMockSpringJunitExtension.java
@@ -88,18 +88,21 @@ private void configureWireMockForDefaultInstance(final ExtensionContext extensio
       }
     }
     if (wiremock != null) {
+      final boolean isHttps = wiremock.isHttpsEnabled();
+      final int port = isHttps ? wiremock.httpsPort() : wiremock.port();
+
       LOGGER.info(
           "Configuring WireMock for default instance, '"
               + wireMockName
               + "' on '"
-              + wiremock.port()
+              + port
               + "'.");
       final String host = "localhost";
-      if (wiremock.isHttpsEnabled()) {
+      if (isHttps) {
         WireMock.configureFor(
-            WireMock.create().https().host(host).port(wiremock.httpsPort()).build());
+            WireMock.create().https().host(host).port(port).build());
       } else {
-        WireMock.configureFor(WireMock.create().http().host(host).port(wiremock.port()).build());
+        WireMock.configureFor(WireMock.create().http().host(host).port(port).build());
       }
     }
   }
diff --git a/wiremock-spring-boot/src/test/java/usecases/HttpsOnlyTest.java b/wiremock-spring-boot/src/test/java/usecases/HttpsOnlyTest.java
index 790625d..b800bd1 100644
--- a/wiremock-spring-boot/src/test/java/usecases/HttpsOnlyTest.java
+++ b/wiremock-spring-boot/src/test/java/usecases/HttpsOnlyTest.java
@@ -5,6 +5,7 @@
 import static com.github.tomakehurst.wiremock.client.WireMock.anyUrl;
 import static com.github.tomakehurst.wiremock.client.WireMock.get;
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 import com.github.tomakehurst.wiremock.WireMockServer;
 import com.github.tomakehurst.wiremock.client.WireMock;
@@ -59,4 +60,10 @@ void testDefaultClient() {
 
     assertThat(WireMock.findAll(anyRequestedFor(anyUrl()))).hasSize(1);
   }
+
+  @Test
+  void testHttpDisabled() {
+    assertThat(wiremock.isHttpEnabled()).isFalse();
+    assertThatThrownBy(() -> wiremock.port()).isExactlyInstanceOf(IllegalStateException.class);
+  }
 }