diff --git a/java/compiler/impl/src/com/intellij/compiler/server/BuildManager.java b/java/compiler/impl/src/com/intellij/compiler/server/BuildManager.java
index de76d32e054f..14f5f93ebbf1 100644
--- a/java/compiler/impl/src/com/intellij/compiler/server/BuildManager.java
+++ b/java/compiler/impl/src/com/intellij/compiler/server/BuildManager.java
@@ -1303,7 +1303,7 @@ public class BuildManager implements Disposable {
   private int startListening() throws Exception {
     EventLoopGroup group;
     BuiltInServer mainServer = StartupUtil.getServer();
-    boolean isOwnEventLoopGroup = !Registry.is("compiler.shared.event.group", false) || mainServer == null || mainServer.getEventLoopGroup() instanceof OioEventLoopGroup;
+    boolean isOwnEventLoopGroup = !Registry.is("compiler.shared.event.group", true) || mainServer == null || mainServer.getEventLoopGroup() instanceof OioEventLoopGroup;
     if (isOwnEventLoopGroup) {
       group = new NioEventLoopGroup(1, ConcurrencyUtil.newNamedThreadFactory("External compiler"));
     }
diff --git a/platform/util/resources/misc/registry.properties b/platform/util/resources/misc/registry.properties
index 0c74a455cf0b..6465eb091947 100644
--- a/platform/util/resources/misc/registry.properties
+++ b/platform/util/resources/misc/registry.properties
@@ -255,7 +255,7 @@ compiler.document.save.trigger.delay.description=Delay in milliseconds before tr
 compiler.build.data.unused.threshold=30
 compiler.build.data.unused.threshold.description=If project is not opened for the specified number of days, its build data will be cleared to save disk space
 
-compiler.shared.event.group=false
+compiler.shared.event.group=true
 
 vcs.annotations.preload=false
 vcs.showConsole=true