diff --git a/docs/src/main/asciidoc/http-reference.adoc b/docs/src/main/asciidoc/http-reference.adoc
index 0ecb30bb527e2..3633a29e46301 100644
--- a/docs/src/main/asciidoc/http-reference.adoc
+++ b/docs/src/main/asciidoc/http-reference.adoc
@@ -127,8 +127,8 @@ Your `application.properties` would then look like this:
 
 [source,properties]
 ----
-quarkus.http.ssl.certificate.file=/path/to/certificate
-quarkus.http.ssl.certificate.key-file=/path/to/key
+quarkus.http.ssl.certificate.files=/path/to/certificate
+quarkus.http.ssl.certificate.key-files=/path/to/key
 ----
 
 === Providing a keystore
diff --git a/extensions/vertx-http/deployment/src/test/resources/conf/disable-http.conf b/extensions/vertx-http/deployment/src/test/resources/conf/disable-http.conf
index f60ba91d3b3aa..580909ea73575 100644
--- a/extensions/vertx-http/deployment/src/test/resources/conf/disable-http.conf
+++ b/extensions/vertx-http/deployment/src/test/resources/conf/disable-http.conf
@@ -1,4 +1,4 @@
 # Enable SSL, configure the key store
 quarkus.http.insecure-requests=REDIRECT
-quarkus.http.ssl.certificate.file=server-cert.pem
-quarkus.http.ssl.certificate.key-file=server-key.pem
+quarkus.http.ssl.certificate.files=server-cert.pem
+quarkus.http.ssl.certificate.key-files=server-key.pem
diff --git a/integration-tests/elytron-undertow/src/main/resources/application.properties b/integration-tests/elytron-undertow/src/main/resources/application.properties
index 5ea2086daa428..6ef33186e3884 100644
--- a/integration-tests/elytron-undertow/src/main/resources/application.properties
+++ b/integration-tests/elytron-undertow/src/main/resources/application.properties
@@ -9,8 +9,8 @@ quarkus.security.users.embedded.users.poul=poul
 quarkus.security.users.embedded.roles.poul=interns
 quarkus.security.users.embedded.plain-text=true
 quarkus.servlet.context-path=/foo
-quarkus.http.ssl.certificate.file=target/server-cert.pem
-quarkus.http.ssl.certificate.key-file=target/server-key.pem
+quarkus.http.ssl.certificate.files=target/server-cert.pem
+quarkus.http.ssl.certificate.key-files=target/server-key.pem
 # Test that server starts with this option
 # See https://github.com/quarkusio/quarkus/issues/8336
 quarkus.http.insecure-requests=disabled
\ No newline at end of file