diff --git a/src/fr/devinsy/statoolinfos/metrics/http/HttpAccessLogAnalyzer.java b/src/fr/devinsy/statoolinfos/metrics/http/HttpAccessLogAnalyzer.java
index 396bb8e..8ec0008 100644
--- a/src/fr/devinsy/statoolinfos/metrics/http/HttpAccessLogAnalyzer.java
+++ b/src/fr/devinsy/statoolinfos/metrics/http/HttpAccessLogAnalyzer.java
@@ -222,13 +222,11 @@ public class HttpAccessLogAnalyzer
      *            the line
      * @return the http log
      */
-    public static HttpAccessLog parseLog(final String line, final String pattern)
+    public static HttpAccessLog parseLog(final String line, final Pattern pattern)
     {
         HttpAccessLog result;
 
-        Pattern combined = Pattern.compile(pattern);
-
-        Matcher matcher = combined.matcher(line);
+        Matcher matcher = pattern.matcher(line);
         if (matcher.matches())
         {
             result = new HttpAccessLog();
@@ -266,7 +264,9 @@ public class HttpAccessLogAnalyzer
         // '"$http_referer" "$http_user_agent"';
         String combinedPattern = "^(?<remoteAddress>[a-zA-F0-9\\\\:\\\\.]+) - (?<remoteUser>\\S+) \\[(?<time>[^\\]]+)\\] \"(?<request>[^\"]*)\" (?<status>\\d+) (?<bodyBytesSent>\\d+) \"(?<referer>[^\"]*)\" \"(?<userAgent>[^\"]*)\".*$";
 
-        result = parseLog(line, combinedPattern);
+        Pattern pattern = Pattern.compile(combinedPattern);
+
+        result = parseLog(line, pattern);
 
         //
         return result;