1 files changed, 1 insertions, 1 deletions
diff --git a/src/java/jogamp/common/util/locks/RecursiveThreadGroupLockImpl01Unfairish.java b/src/java/jogamp/common/util/locks/RecursiveThreadGroupLockImpl01Unfairish.java
index 561ac61..695c9c3 100644
--- a/src/java/jogamp/common/util/locks/RecursiveThreadGroupLockImpl01Unfairish.java
+++ b/src/java/jogamp/common/util/locks/RecursiveThreadGroupLockImpl01Unfairish.java
@@ -116,7 +116,7 @@ public class RecursiveThreadGroupLockImpl01Unfairish
         }
         
         String addOwnerToString() {
-            StringBuffer sb = new StringBuffer();
+            StringBuilder sb = new StringBuilder();
             for(int i=0; i<threadNum; i++) {
                 if(i>0) {
                     sb.append(", ");