diff --git a/grails-forge/grails-forge-core/src/main/java/org/grails/forge/feature/logging/Logback.java b/grails-forge/grails-forge-core/src/main/java/org/grails/forge/feature/logging/Logback.java
index 23e340a951d..6c5c273bd18 100644
--- a/grails-forge/grails-forge-core/src/main/java/org/grails/forge/feature/logging/Logback.java
+++ b/grails-forge/grails-forge-core/src/main/java/org/grails/forge/feature/logging/Logback.java
@@ -20,7 +20,6 @@
 
 import jakarta.inject.Singleton;
 import org.grails.forge.application.ApplicationType;
-import org.grails.forge.application.OperatingSystem;
 import org.grails.forge.application.generator.GeneratorContext;
 import org.grails.forge.build.dependencies.Dependency;
 import org.grails.forge.feature.DefaultFeature;
@@ -61,17 +60,10 @@ public boolean shouldApply(ApplicationType applicationType, Options options, Set
 
     @Override
     public void apply(GeneratorContext generatorContext) {
-        OperatingSystem operatingSystem = generatorContext.getOperatingSystem();
-        boolean jansi = false;
-
-        if (operatingSystem != OperatingSystem.WINDOWS) {
-            jansi = true;
-        }
-
         String projectName = generatorContext.getProject().getName();
         String packageName = generatorContext.getProject().getPackageName();
 
-        generatorContext.addTemplate("loggingConfig", new RockerTemplate("grails-app/conf/logback-spring.xml", logback.template(projectName, packageName, jansi)));
+        generatorContext.addTemplate("loggingConfig", new RockerTemplate("grails-app/conf/logback-spring.xml", logback.template(projectName, packageName)));
         generatorContext.addDependency(Dependency.builder()
                 .groupId("org.apache.grails")
                 .artifactId("grails-logging")
diff --git a/grails-forge/grails-forge-core/src/main/java/org/grails/forge/feature/logging/template/logback.rocker.raw b/grails-forge/grails-forge-core/src/main/java/org/grails/forge/feature/logging/template/logback.rocker.raw
index 14243f809c8..62413c310cd 100644
--- a/grails-forge/grails-forge-core/src/main/java/org/grails/forge/feature/logging/template/logback.rocker.raw
+++ b/grails-forge/grails-forge-core/src/main/java/org/grails/forge/feature/logging/template/logback.rocker.raw
@@ -17,14 +17,14 @@ specific language governing permissions and limitations
 under the License.
 *@
 
-@args (String projectName, String packageName, boolean jansi)
+@args (String projectName, String packageName)
 
 <?xml version="1.0" encoding="UTF-8"?>
 <configuration>
     <include resource="org/springframework/boot/logging/logback/defaults.xml"/>
 
     <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
-        <withJansi>@jansi</withJansi>
+        <withJansi>false</withJansi>
         <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
             <level>${CONSOLE_LOG_THRESHOLD}</level>
         </filter>
diff --git a/grails-forge/grails-forge-core/src/test/groovy/org/grails/forge/feature/logging/LogbackSpec.groovy b/grails-forge/grails-forge-core/src/test/groovy/org/grails/forge/feature/logging/LogbackSpec.groovy
index 3df3a2acc2e..4bb8d0a5bc1 100644
--- a/grails-forge/grails-forge-core/src/test/groovy/org/grails/forge/feature/logging/LogbackSpec.groovy
+++ b/grails-forge/grails-forge-core/src/test/groovy/org/grails/forge/feature/logging/LogbackSpec.groovy
@@ -52,4 +52,18 @@ class LogbackSpec extends ApplicationContextSpec implements CommandOutputFixture
         where:
         applicationType << ApplicationType.values().toList()
     }
+
+    @Unroll
+    void "test logback-spring.xml disables Jansi for #applicationType application"() {
+        when:
+        def output = generate(applicationType, new Options(DevelopmentReloading.DEVTOOLS))
+
+        then: "Jansi is disabled so its global System.out replacement does not break console logging after a Spring Boot DevTools restart (issue #15663)"
+        def logback = output.get("grails-app/conf/logback-spring.xml")
+        logback.contains("<withJansi>false</withJansi>")
+        !logback.contains("<withJansi>true</withJansi>")
+
+        where:
+        applicationType << ApplicationType.values().toList()
+    }
 }