src/java.desktop/unix/classes/sun/awt/X11/XDecoratedPeer.java

*** 325,334 ****
--- 325,336 ----
                  if (!isEmbedded() && !isTargetUndecorated()) {
                      lastKnownInsets.put(getClass(), in);
                  }
                  if (!in.equals(dimensions.getInsets())) {
                      handleCorrectInsets(in);
+                 } else {
+                     content.setContentBounds(dimensions);
                  }
                  insets_corrected = true;
              }
          }
      }