diff --git a/tigervnc12-xorg113-glx.patch b/tigervnc12-xorg113-glx.patch
index c976fd7..09a3ca9 100644
--- a/tigervnc12-xorg113-glx.patch
+++ b/tigervnc12-xorg113-glx.patch
@@ -31,7 +31,6 @@ diff -up tigervnc-1.2.80-20120905svn4996/unix/xserver/hw/vnc/Makefile.am.jx tige
  
  EXTRA_DIST = Xvnc.man
  
-diff -up tigervnc-1.2.80-20120905svn4996/unix/xserver/hw/vnc/xvnc.cc.jx tigervnc-1.2.80-20120905svn4996/unix/xserver/hw/vnc/xvnc.cc
 --- tigervnc-1.2.80-20120905svn4996/unix/xserver/hw/vnc/xvnc.cc.jx	2012-09-05 09:29:19.000000000 -0400
 +++ tigervnc-1.2.80-20120905svn4996/unix/xserver/hw/vnc/xvnc.cc	2012-09-28 13:39:41.178815125 -0400
 @@ -87,6 +87,17 @@ extern "C" {
@@ -69,13 +68,14 @@ diff -up tigervnc-1.2.80-20120905svn4996/unix/xserver/hw/vnc/xvnc.cc.jx tigervnc
  void
  InitOutput(ScreenInfo *screenInfo, int argc, char **argv)
  {
-@@ -1571,6 +1592,12 @@ InitOutput(ScreenInfo *screenInfo, int a
+@@ -1571,6 +1592,13 @@ InitOutput(ScreenInfo *screenInfo, int a
      int i;
      int NumFormats = 0;
  
 +#if XORG >= 113
 +#ifdef GLXEXT
-+    LoadExtension(&vnc_glx_ext, TRUE);
++    if (serverGeneration == 1)
++        LoadExtension(&vnc_glx_ext, TRUE);
 +#endif
 +#endif
 +