diff --git a/src/fr/devinsy/statoolinfos/metrics/http/HttpAccessLogAnalyzer.java b/src/fr/devinsy/statoolinfos/metrics/http/HttpAccessLogAnalyzer.java
index 98a9e3e..1db92a8 100644
--- a/src/fr/devinsy/statoolinfos/metrics/http/HttpAccessLogAnalyzer.java
+++ b/src/fr/devinsy/statoolinfos/metrics/http/HttpAccessLogAnalyzer.java
@@ -180,7 +180,7 @@ public class HttpAccessLogAnalyzer
 
             // metrics.http.os.XXXXX
             UserAgentOS os = log.getUserAgent().getOS();
-            this.counters.inc("metrics.http.browsers." + os.toString().toLowerCase(), year, yearMonth, yearWeek, date);
+            this.counters.inc("metrics.http.os." + os.toString().toLowerCase(), year, yearMonth, yearWeek, date);
 
             // metrics.http.browsers.XXXXX
             UserAgentBrowser browser = log.getUserAgent().getBrowser();