diff --git a/api/rest/client/methods.go b/api/rest/client/methods.go
index f919b34a..cf234703 100644
--- a/api/rest/client/methods.go
+++ b/api/rest/client/methods.go
@@ -428,6 +428,9 @@ func (c *defaultClient) AddMultiFile(
 
 	headers := make(map[string]string)
 	headers["Content-Type"] = "multipart/form-data; boundary=" + multiFileR.Boundary()
+
+	// This method must run with StreamChannels set.
+	params.StreamChannels = true
 	queryStr := params.ToQueryString()
 
 	// our handler decodes an AddedOutput and puts it
diff --git a/api/rest/client/methods_test.go b/api/rest/client/methods_test.go
index cbda4a4e..038980a1 100644
--- a/api/rest/client/methods_test.go
+++ b/api/rest/client/methods_test.go
@@ -448,11 +448,12 @@ func TestAddMultiFile(t *testing.T) {
 				Name:                 "test something",
 				ShardSize:            1024,
 			},
-			Shard:     false,
-			Layout:    "",
-			Chunker:   "",
-			RawLeaves: false,
-			Hidden:    false,
+			Shard:          false,
+			Layout:         "",
+			Chunker:        "",
+			RawLeaves:      false,
+			Hidden:         false,
+			StreamChannels: true,
 		}
 
 		out := make(chan *types.AddedOutput, 1)