diff --git a/main.go b/main.go
index c5579fe..a2de7ce 100755
--- a/main.go
+++ b/main.go
@@ -57,6 +57,9 @@ func (server Server) stream(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	if !stream.CurrentColorInstantPathExists() {
+		return
+	}
 	mat := stream.IMReadCurrentColor()
 
 	jpg, err := gocv.IMEncode(".jpg", mat)
diff --git a/stream.go b/stream.go
index 2c48de3..b12b5b8 100755
--- a/stream.go
+++ b/stream.go
@@ -17,10 +17,10 @@ import (
 
 // Stream Unexported
 type Stream struct {
-	URL      string `json:"url"`
-	Base64   string `json:"base64"`
-	Interval int    `json:"interval"`
-	FileLock sync.Mutex
+	URL      string     `json:"url"`
+	Base64   string     `json:"base64"`
+	Interval int        `json:"interval"`
+	FileLock sync.Mutex `json:"lock"`
 }
 
 // NewStream creates a new Stream Object