diff --git a/platform/lang-impl/src/com/intellij/execution/services/ServiceViewModel.java b/platform/lang-impl/src/com/intellij/execution/services/ServiceViewModel.java
index c93c13ff8efb..f051b0b29208 100644
--- a/platform/lang-impl/src/com/intellij/execution/services/ServiceViewModel.java
+++ b/platform/lang-impl/src/com/intellij/execution/services/ServiceViewModel.java
@@ -501,7 +501,7 @@ abstract class ServiceViewModel implements Disposable, InvokerSupplier, ServiceM
           return roots.contains(item);
         }
       });
-      myRoots = roots;
+      myRoots = new CopyOnWriteArrayList<>(roots);
     }
 
     @NotNull