diff --git a/src/main/java/io/jenkins/docker/connector/DockerComputerSSHConnector.java b/src/main/java/io/jenkins/docker/connector/DockerComputerSSHConnector.java
index 029d2bc2d..b816e3fc4 100644
--- a/src/main/java/io/jenkins/docker/connector/DockerComputerSSHConnector.java
+++ b/src/main/java/io/jenkins/docker/connector/DockerComputerSSHConnector.java
@@ -278,8 +278,10 @@ public void beforeContainerCreated(DockerAPI api, String workdir, CreateContaine
         }
         final Ports portBindings = hostConfig.getPortBindings();
         if (portBindings != null) {
-            portBindings.add(sshPortBinding);
-            hostConfig.withPortBindings(portBindings);
+            if(portBindings.getBindings().get(sshPortBinding.getExposedPort()).length == 0) {
+               portBindings.add(sshPortBinding);
+               hostConfig.withPortBindings(portBindings);
+            }
         } else {
             hostConfig.withPortBindings(sshPortBinding);
         }