diff --git a/config/json.go b/config/json.go
index 849ca1fe..7c197ade 100644
--- a/config/json.go
+++ b/config/json.go
@@ -443,6 +443,12 @@ func prepareMultipartPayload(parts []multipartFormData) (body string, contentTyp
 					return "", "", err
 				}
 
+				if !(response.StatusCode >= 200 && response.StatusCode <= 299) {
+					multipartError.wrappedErr = fmt.Errorf("Multipart: request to remote url (%s) failed. Status code: %d", part.Value, response.StatusCode)
+					multipartError.msg = "Error while getting remote multipart file"
+					return "", "", multipartError
+				}
+
 				_, err = io.Copy(formPart, response.Body)
 				if err != nil {
 					multipartError.wrappedErr = err
diff --git a/main_benchmark_test.go b/main_benchmark_test.go
index b70979cc..38fe92b1 100644
--- a/main_benchmark_test.go
+++ b/main_benchmark_test.go
@@ -151,7 +151,7 @@ var table = []struct {
 	{
 		name:             "config_multipart_inject_1krps",
 		path:             "config/config_testdata/benchmark/config_multipart_inject_1krps.json",
-		cpuTimeThreshold: 180,
+		cpuTimeThreshold: 200,
 		maxMemThreshold:  10,
 		avgMemThreshold:  15,
 		testType:         Multipart,