diff --git a/pkg/unikontainers/hypervisors/firecracker.go b/pkg/unikontainers/hypervisors/firecracker.go
index 9588a45b..128012ab 100644
--- a/pkg/unikontainers/hypervisors/firecracker.go
+++ b/pkg/unikontainers/hypervisors/firecracker.go
@@ -108,9 +108,9 @@ func (fc *Firecracker) BuildExecCmd(args types.ExecArgs, ukernel types.Unikernel
 	// options in FC, since the string return value of the Monitor related
 	// functions in the unikernel interface do not integrate well with FC's
 	// json configuration.
-	cmdString := fc.Path() + " --no-api --config-file "
+	apiSockPath := filepath.Join("/tmp/", args.ContainerID+".sock")
+	cmdString := fc.Path() + " --api-sock " + apiSockPath
 	JSONConfigFile := filepath.Join("/tmp/", FCJsonFilename)
-	cmdString += JSONConfigFile
 	if !args.Seccomp {
 		cmdString += " --no-seccomp"
 	}