diff --git a/skeleton/app/conf/logback.xml b/skeleton/app/conf/logback.xml
index 67282ec..1faff1d 100644
--- a/skeleton/app/conf/logback.xml
+++ b/skeleton/app/conf/logback.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <configuration>
 
-    <conversionRule conversionWord="clr" converterClass="org.springframework.boot.logging.logback.ColorConverter" />
-    <conversionRule conversionWord="wex" converterClass="org.springframework.boot.logging.logback.WhitespaceThrowableProxyConverter" />
+    <conversionRule conversionWord="clr" class="org.springframework.boot.logging.logback.ColorConverter" />
+    <conversionRule conversionWord="wex" class="org.springframework.boot.logging.logback.WhitespaceThrowableProxyConverter" />
 
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
         <encoder>