diff --git a/modules/rabbitmq/src/main/java/org/testcontainers/containers/RabbitMQContainer.java b/modules/rabbitmq/src/main/java/org/testcontainers/containers/RabbitMQContainer.java
index f16f005df5e..55c2b5c7358 100644
--- a/modules/rabbitmq/src/main/java/org/testcontainers/containers/RabbitMQContainer.java
+++ b/modules/rabbitmq/src/main/java/org/testcontainers/containers/RabbitMQContainer.java
@@ -348,12 +348,12 @@ public RabbitMQContainer withExchange(String name, String type, boolean autoDele
     /**
      * Overwrites the default RabbitMQ configuration file with the supplied one
      *
-     * @param rabbitMQConf The rabbitmq.conf file to use
+     * @param rabbitMQConf The rabbitmq.config file to use
      * @return This container.
      */
     public RabbitMQContainer withRabbitMQConfig(MountableFile rabbitMQConf) {
-        withEnv("RABBITMQ_CONFIG_FILE", "/etc/rabbitmq/rabbitmq-custom.conf");
-        return withCopyFileToContainer(rabbitMQConf, "/etc/rabbitmq/rabbitmq-custom.conf");
+        withEnv("RABBITMQ_CONFIG_FILE", "/etc/rabbitmq/rabbitmq-custom.config");
+        return withCopyFileToContainer(rabbitMQConf, "/etc/rabbitmq/rabbitmq-custom.config");
     }
 
     @NotNull
diff --git a/modules/rabbitmq/src/test/java/org/testcontainers/containers/RabbitMQContainerTest.java b/modules/rabbitmq/src/test/java/org/testcontainers/containers/RabbitMQContainerTest.java
index 4f549a6f5ed..39d0db410a3 100644
--- a/modules/rabbitmq/src/test/java/org/testcontainers/containers/RabbitMQContainerTest.java
+++ b/modules/rabbitmq/src/test/java/org/testcontainers/containers/RabbitMQContainerTest.java
@@ -108,7 +108,8 @@ public void shouldMountConfigurationFile() {
             container.withRabbitMQConfig(MountableFile.forClasspathResource("/rabbitmq-custom.conf"));
             container.start();
 
-            assertThat(container.getLogs().contains("/etc/rabbitmq/rabbitmq-custom.conf")).isTrue();
+            assertThat(container.getLogs()).contains("config file(s) : /etc/rabbitmq/rabbitmq-custom.config");
+            assertThat(container.getLogs()).doesNotContain(" (not found)");
         }
     }
 
diff --git a/modules/rabbitmq/src/test/resources/rabbitmq-custom.conf b/modules/rabbitmq/src/test/resources/rabbitmq-custom.conf
index 2e93b89bb13..a1c581542ce 100644
--- a/modules/rabbitmq/src/test/resources/rabbitmq-custom.conf
+++ b/modules/rabbitmq/src/test/resources/rabbitmq-custom.conf
@@ -1,2 +1,13 @@
-loopback_users.guest = false
-listeners.tcp.default = 5555
\ No newline at end of file
+[
+{ rabbit, [
+{ loopback_users, [ ] },
+		{ tcp_listeners, [ 5555 ] },
+		{ ssl_listeners, [ ] },
+		{ default_vhost, <<"vhost">> },
+		{ hipe_compile, false }
+	] },
+	{ rabbitmq_management, [ { listener, [
+		{ port, 15672 },
+		{ ssl, false }
+	] } ] }
+].