diff --git a/src/main/java/ua_parser/Parser.java b/src/main/java/ua_parser/Parser.java
index cffbab3..3e27257 100644
--- a/src/main/java/ua_parser/Parser.java
+++ b/src/main/java/ua_parser/Parser.java
@@ -45,8 +45,8 @@ public Parser(InputStream regexYaml) {
   }
 
   public Client parse(String agentString) {
-    UserAgent ua = parseUserAgent(agentString);
-    OS os = parseOS(agentString);
+    UserAgent ua = uaParser.parse(agentString);
+    OS os = osParser.parse(agentString);
     Device device = deviceParser.parse(agentString);
     return new Client(ua, os, device);
   }