2 files changed, 3 insertions, 3 deletions
diff --git a/src/jogl/classes/jogamp/opengl/x11/glx/X11GLCapabilities.java b/src/jogl/classes/jogamp/opengl/x11/glx/X11GLCapabilities.java
index bb0673581..96d4c7713 100644
--- a/src/jogl/classes/jogamp/opengl/x11/glx/X11GLCapabilities.java
+++ b/src/jogl/classes/jogamp/opengl/x11/glx/X11GLCapabilities.java
@@ -89,9 +89,9 @@ public class X11GLCapabilities extends GLCapabilities {
       }      
   }
   
-  public StringBuffer toString(StringBuffer sink) {
+  public StringBuilder toString(StringBuilder sink) {
     if(null == sink) {
-        sink = new StringBuffer();
+        sink = new StringBuilder();
     }
     sink.append("glx vid ");
     if(hasXVisualInfo()) {
diff --git a/src/jogl/classes/jogamp/opengl/x11/glx/X11GLXContext.java b/src/jogl/classes/jogamp/opengl/x11/glx/X11GLXContext.java
index 2de747136..2fd8cbcd9 100644
--- a/src/jogl/classes/jogamp/opengl/x11/glx/X11GLXContext.java
+++ b/src/jogl/classes/jogamp/opengl/x11/glx/X11GLXContext.java
@@ -606,7 +606,7 @@ public abstract class X11GLXContext extends GLContextImpl {
   }
 
   public String toString() {
-    StringBuffer sb = new StringBuffer();
+    StringBuilder sb = new StringBuilder();
     sb.append(getClass().getSimpleName());
     sb.append(" [");
     super.append(sb);