diff --git a/hook/hook.go b/hook/hook.go
index 7fd8c1f..bc9c58b 100644
--- a/hook/hook.go
+++ b/hook/hook.go
@@ -391,6 +391,7 @@ type Hook struct {
 	JSONStringParameters                []Argument      `json:"parse-parameters-as-json,omitempty"`
 	TriggerRule                         *Rules          `json:"trigger-rule,omitempty"`
 	TriggerRuleMismatchHttpResponseCode int             `json:"trigger-rule-mismatch-http-response-code,omitempty"`
+	IncomingPayloadContentType          string          `json:"incoming-payload-content-type,omitempty"`	
 }
 
 // ParseJSONParameters decodes specified arguments to JSON objects and replaces the
diff --git a/webhook.go b/webhook.go
index 8a318ee..e75f473 100644
--- a/webhook.go
+++ b/webhook.go
@@ -231,7 +231,7 @@ func hookHandler(w http.ResponseWriter, r *http.Request) {
 
 		contentType := r.Header.Get("Content-Type")
 
-		if strings.Contains(contentType, "json") {
+		if strings.Contains(matchedHook.IncomingPayloadContentType, "json") || strings.Contains(contentType, "json") {
 			decoder := json.NewDecoder(strings.NewReader(string(body)))
 			decoder.UseNumber()
 
@@ -240,7 +240,7 @@ func hookHandler(w http.ResponseWriter, r *http.Request) {
 			if err != nil {
 				log.Printf("[%s] error parsing JSON payload %+v\n", rid, err)
 			}
-		} else if strings.Contains(contentType, "form") {
+		} else if strings.Contains(matchedHook.IncomingPayloadContentType, "form") || strings.Contains(contentType, "form") {
 			fd, err := url.ParseQuery(string(body))
 			if err != nil {
 				log.Printf("[%s] error parsing form payload %+v\n", rid, err)