diff --git a/servo/src/main/resources/logback-spring.xml b/servo/src/main/resources/logback-spring.xml
index 74df75b..ad54032 100644
--- a/servo/src/main/resources/logback-spring.xml
+++ b/servo/src/main/resources/logback-spring.xml
@@ -69,6 +69,8 @@
         </encoder>
         <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
             <level>DEBUG</level>
+            <onMatch>ACCEPT</onMatch>
+            <onMismatch>DENY</onMismatch>
         </filter>
     </appender>