diff --git a/internal/core/algorithm/ngt/ngt_test.go b/internal/core/algorithm/ngt/ngt_test.go
index 240e1f7b8ae..74b7c5d98c4 100644
--- a/internal/core/algorithm/ngt/ngt_test.go
+++ b/internal/core/algorithm/ngt/ngt_test.go
@@ -780,7 +780,7 @@ func Test_gen(t *testing.T) {
 						objectType:          Uint8,
 						mu:                  &sync.RWMutex{},
 						cmu:                 &sync.RWMutex{},
-					        smu:                 &sync.Mutex{},
+						smu:                 &sync.Mutex{},
 						epl:                 DefaultErrorBufferLimit,
 					},
 				},