diff --git a/lib/fluent/plugin/parser_ltsv.rb b/lib/fluent/plugin/parser_ltsv.rb
index 13cb8f7fed..e5433d29ca 100644
--- a/lib/fluent/plugin/parser_ltsv.rb
+++ b/lib/fluent/plugin/parser_ltsv.rb
@@ -38,10 +38,8 @@ def configure(conf)
       def parse(text)
         r = {}
         text.split(@delimiter).each do |pair|
-          if pair.include? @label_delimiter
-            key, value = pair.split(@label_delimiter, 2)
-            r[key] = value
-          end
+          key, value = pair.split(@label_delimiter, 2)
+          r[key] = value if value
         end
         time, record = convert_values(parse_time(r), r)
         yield time, record