diff --git a/generator/FLVGenerator.go b/generator/FLVGenerator.go
index 967408a1..877606dc 100644
--- a/generator/FLVGenerator.go
+++ b/generator/FLVGenerator.go
@@ -251,6 +251,7 @@ func (g *flvGenerator) generate() {
 				}
 				g.outputChan <- tag.ToByteSlice()
 			}
+		default:
 		}
 	}
 }