diff --git a/handlers/dashboard.go b/handlers/dashboard.go
index 948b0db4..a500b5ef 100644
--- a/handlers/dashboard.go
+++ b/handlers/dashboard.go
@@ -93,7 +93,7 @@ func logsLineHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	if lastLine := utils.GetLastLine(); lastLine != nil {
-		w.Header().Set("Content-Type", "plain/text")
+		w.Header().Set("Content-Type", "text/plain")
 		w.WriteHeader(http.StatusOK)
 		w.Write([]byte(lastLine.FormatForHtml()))
 	}