diff --git a/api/portainer.go b/api/portainer.go
index 69eebcc0b..7029dc55b 100644
--- a/api/portainer.go
+++ b/api/portainer.go
@@ -225,7 +225,7 @@ type (
 	// It contains some information of Docker's ContainerJSON struct
 	DockerContainerSnapshot struct {
 		types.Container
-		Env []string `json:"Env"`
+		Env []string `json:"Env,omitempty"` // EE-5240
 	}
 
 	// DockerSnapshotRaw represents all the information related to a snapshot as returned by the Docker API