diff --git a/samples/java-application-with-custom-packaging/src/main/resources/logback.xml b/samples/java-application-with-custom-packaging/src/main/resources/logback.xml
index 214d9d904..5f5238e9f 100644
--- a/samples/java-application-with-custom-packaging/src/main/resources/logback.xml
+++ b/samples/java-application-with-custom-packaging/src/main/resources/logback.xml
@@ -1,7 +1,7 @@
 <configuration>
 
   <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
-    <withJansi>true</withJansi>
+    <withJansi>false</withJansi><!-- disabled for Windows compatibility (see https://github.com/micronaut-projects/micronaut-core/issues/1521)-->
     <!-- encoders are assigned the type
          ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->
     <encoder>