diff --git a/scm-webapp/src/main/resources/logback.default.xml b/scm-webapp/src/main/resources/logback.default.xml
index 742cf1cd6a..f11cabaf08 100644
--- a/scm-webapp/src/main/resources/logback.default.xml
+++ b/scm-webapp/src/main/resources/logback.default.xml
@@ -46,7 +46,7 @@
     <!-- encoders are  by default assigned the type
          ch.qos.logback.classic.encoder.PatternLayoutEncoder -->
     <encoder>
-      <pattern>%d{YYYY-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
+      <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
     </encoder>
   </appender>
   
diff --git a/scm-webapp/src/main/resources/logback.release.xml b/scm-webapp/src/main/resources/logback.release.xml
index a93140762c..ae74d3fd6e 100644
--- a/scm-webapp/src/main/resources/logback.release.xml
+++ b/scm-webapp/src/main/resources/logback.release.xml
@@ -61,14 +61,14 @@
 
     <append>true</append>
     <encoder>
-      <pattern>%d{YYYY-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
+      <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
     </encoder>
   </appender>
 
   <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
 
     <encoder>
-      <pattern>%d{YYYY-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
+      <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
     </encoder>
     
   </appender>