diff --git a/examples/grails3-hibernate5-mongodb/grails-app/conf/logback.xml b/examples/grails3-hibernate5-mongodb/grails-app/conf/logback.xml
index f4e77836..663389a0 100644
--- a/examples/grails3-hibernate5-mongodb/grails-app/conf/logback.xml
+++ b/examples/grails3-hibernate5-mongodb/grails-app/conf/logback.xml
@@ -7,7 +7,7 @@
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
         <encoder>
             <charset>UTF-8</charset>
-            <pattern>'%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(%5p) %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n%wex'</pattern>
+            <pattern>%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(%5p) %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n%wex</pattern>
         </encoder>
     </appender>
 
diff --git a/examples/grails3-mongodb-database-per-tenant/grails-app/conf/logback.xml b/examples/grails3-mongodb-database-per-tenant/grails-app/conf/logback.xml
index f4e77836..663389a0 100644
--- a/examples/grails3-mongodb-database-per-tenant/grails-app/conf/logback.xml
+++ b/examples/grails3-mongodb-database-per-tenant/grails-app/conf/logback.xml
@@ -7,7 +7,7 @@
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
         <encoder>
             <charset>UTF-8</charset>
-            <pattern>'%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(%5p) %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n%wex'</pattern>
+            <pattern>%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(%5p) %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n%wex</pattern>
         </encoder>
     </appender>
 
diff --git a/examples/grails3-mongodb/grails-app/conf/logback.xml b/examples/grails3-mongodb/grails-app/conf/logback.xml
index f4e77836..663389a0 100644
--- a/examples/grails3-mongodb/grails-app/conf/logback.xml
+++ b/examples/grails3-mongodb/grails-app/conf/logback.xml
@@ -7,7 +7,7 @@
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
         <encoder>
             <charset>UTF-8</charset>
-            <pattern>'%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(%5p) %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n%wex'</pattern>
+            <pattern>%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(%5p) %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n%wex</pattern>
         </encoder>
     </appender>
 
diff --git a/examples/test-data-service/grails-app/conf/logback.xml b/examples/test-data-service/grails-app/conf/logback.xml
index f4e77836..663389a0 100644
--- a/examples/test-data-service/grails-app/conf/logback.xml
+++ b/examples/test-data-service/grails-app/conf/logback.xml
@@ -7,7 +7,7 @@
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
         <encoder>
             <charset>UTF-8</charset>
-            <pattern>'%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(%5p) %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n%wex'</pattern>
+            <pattern>%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(%5p) %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n%wex</pattern>
         </encoder>
     </appender>