diff --git a/ledger/sandbox-common/src/main/resources/logback.xml b/ledger/sandbox-common/src/main/resources/logback.xml
index 0b73aaa6b34e..24fe19adf0fe 100644
--- a/ledger/sandbox-common/src/main/resources/logback.xml
+++ b/ledger/sandbox-common/src/main/resources/logback.xml
@@ -2,7 +2,7 @@
 <configuration>
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
         <encoder>
-            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg %replace(, context: %marker){', context: $', ''} %n</pattern>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%replace(, context: %marker){', context: $', ''}%n</pattern>
         </encoder>
     </appender>