diff --git a/things/api/http/requests.go b/things/api/http/requests.go
index 0546bf8e..5ce30759 100644
--- a/things/api/http/requests.go
+++ b/things/api/http/requests.go
@@ -366,8 +366,8 @@ func (req unassignUserGroupsRequest) validate() error {
 
 type connectChannelThingRequest struct {
 	token     string
-	ThingID   string
-	ChannelID string
+	ThingID   string `json:"thing_id,omitempty"`
+	ChannelID string `json:"channel_id,omitempty"`
 }
 
 func (req *connectChannelThingRequest) validate() error {