diff --git a/src/main/java/com/github/dockerjava/netty/exec/StartContainerCmdExec.java b/src/main/java/com/github/dockerjava/netty/exec/StartContainerCmdExec.java
index 039006f2d..d5616c764 100644
--- a/src/main/java/com/github/dockerjava/netty/exec/StartContainerCmdExec.java
+++ b/src/main/java/com/github/dockerjava/netty/exec/StartContainerCmdExec.java
@@ -25,7 +25,7 @@ protected Void execute(StartContainerCmd command) {
         LOGGER.trace("POST: {}", webResource);
         webResource.request()
                 .accept(MediaType.APPLICATION_JSON)
-                .post(command);
+                .post(null);
 
         return null;
     }