1 files changed, 5 insertions, 3 deletions
diff --git a/tests/features164/declareMixin/CaseEConcurrent.java b/tests/features164/declareMixin/CaseEConcurrent.java
index df1e13774..874f249d5 100644
--- a/tests/features164/declareMixin/CaseEConcurrent.java
+++ b/tests/features164/declareMixin/CaseEConcurrent.java
@@ -39,9 +39,11 @@ public class CaseEConcurrent {
   // the byte code, e.g. with JDK tool 'javap -v'.
   /*
   public void doSomething() {
-    synchronized (this) {
-      if (id == null)
-        id = "doing something";
+    if (id == null) {
+      synchronized (this) {
+        if (id == null)
+          id = "doing something";
+      }
     }
     callMe(id);
   }