diff --git a/src/Umbraco.Web.UI/config/log4net.Release.config b/src/Umbraco.Web.UI/config/log4net.Release.config
index 10b8c9eb7a..54a0e23ab2 100644
--- a/src/Umbraco.Web.UI/config/log4net.Release.config
+++ b/src/Umbraco.Web.UI/config/log4net.Release.config
@@ -10,7 +10,8 @@
 	  <file type="log4net.Util.PatternString" value="App_Data\Logs\UmbracoTraceLog.%property{log4net:HostName}.txt" />
     <lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
     <appendToFile value="true" />
-    <rollingStyle value="Date" />
+    <rollingStyle value="Composite" />
+    <datePattern value=".yyyy-MM-dd"/>
     <maximumFileSize value="5MB" />
     <layout type="log4net.Layout.PatternLayout">
       <conversionPattern value=" %date [P%property{processId}/D%property{appDomainId}/T%thread] %-5level %logger - %message%newline" />
diff --git a/src/Umbraco.Web.UI/config/log4net.config b/src/Umbraco.Web.UI/config/log4net.config
index eca84962a1..382f886adc 100644
--- a/src/Umbraco.Web.UI/config/log4net.config
+++ b/src/Umbraco.Web.UI/config/log4net.config
@@ -10,7 +10,8 @@
 	  <file type="log4net.Util.PatternString" value="App_Data\Logs\UmbracoTraceLog.%property{log4net:HostName}.txt" />
     <lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
     <appendToFile value="true" />
-    <rollingStyle value="Date" />
+     <rollingStyle value="Composite" />
+     <datePattern value=".yyyy-MM-dd"/>
     <maximumFileSize value="5MB" />
     <layout type="log4net.Layout.PatternLayout">
       <conversionPattern value=" %date [P%property{processId}/D%property{appDomainId}/T%thread] %-5level %logger - %message%newline" />