diff --git a/gorequest.go b/gorequest.go
index 6ef0093..adebdff 100644
--- a/gorequest.go
+++ b/gorequest.go
@@ -1148,20 +1148,6 @@ func (s *SuperAgent) getResponseBytes() (Response, []byte, []error) {
 	if len(s.Errors) != 0 {
 		return nil, nil, s.Errors
 	}
-	// check if there is forced type
-	switch s.ForceType {
-	case TypeJSON, TypeForm, TypeXML, TypeText, TypeMultipart:
-		s.TargetType = s.ForceType
-		// If forcetype is not set, check whether user set Content-Type header.
-		// If yes, also bounce to the correct supported TargetType automatically.
-	default:
-		contentType := s.Header.Get("Content-Type")
-		for k, v := range Types {
-			if contentType == v {
-				s.TargetType = k
-			}
-		}
-	}
 
 	// if slice and map get mixed, let's bounce to rawstring
 	if len(s.Data) != 0 && len(s.SliceData) != 0 {
@@ -1241,6 +1227,21 @@ func (s *SuperAgent) MakeRequest() (*http.Request, error) {
 		return nil, errors.New("No method specified")
 	}
 
+	// check if there is forced type
+	switch s.ForceType {
+	case TypeJSON, TypeForm, TypeXML, TypeText, TypeMultipart:
+		s.TargetType = s.ForceType
+	// If forcetype is not set, check whether user set Content-Type header.
+	// If yes, also bounce to the correct supported TargetType automatically.
+	default:
+		contentType := s.Header.Get("Content-Type")
+		for k, v := range Types {
+			if contentType == v {
+				s.TargetType = k
+			}
+		}
+	}
+
 	// !!! Important Note !!!
 	//
 	// Throughout this region, contentReader and contentType are only set when
diff --git a/gorequest_test.go b/gorequest_test.go
index bcca228..60db67e 100644
--- a/gorequest_test.go
+++ b/gorequest_test.go
@@ -2569,3 +2569,21 @@ func TestSetDebugByEnvironmentVar(t *testing.T) {
 		t.Fatalf("\nExpected gorequest not to log request and response object if GOREQUEST_DEBUG is not set.")
 	}
 }
+
+func TestForceContentType(t *testing.T) {
+	endpoint := "http://github.com/parnurzeal/gorequest"
+
+	request, err := New().
+		Post(endpoint).
+		Type(TypeJSON).
+		SendString(`notJSON`).
+		MakeRequest()
+
+	if err != nil {
+		t.Errorf("Error is not nil: %v", err)
+	}
+
+	if contentType := request.Header.Get("Content-Type"); contentType != Types[TypeJSON] {
+		t.Errorf("Content-Type is not JSON: %v", contentType)
+	}
+}