diff --git a/math/vtk/files/patch-aa b/math/vtk/files/patch-aa
index 6aee97f9413e..0e95173ce8e1 100644
--- a/math/vtk/files/patch-aa
+++ b/math/vtk/files/patch-aa
@@ -17,7 +17,7 @@
 -MESA_INCLUDE=-I/home/martink/storage/Mesa-1.2.6/include
 -MESA_LIB=/home/martink/storage/Mesa-1.2.6/lib-sun4-solaris/libMesaGL.a
 +MESA_INCLUDE=-I${X11BASE}/include
-+MESA_LIB=-L${X11BASE} -lGL
++MESA_LIB=-L${X11BASE} -lGL -lOSMesa
  
  # for python you must set this 
 -PYTHON_INCLUDES=-I/home/schroede/montnaro/Python-1.4/Include
diff --git a/math/vtk43/files/patch-aa b/math/vtk43/files/patch-aa
index 6aee97f9413e..0e95173ce8e1 100644
--- a/math/vtk43/files/patch-aa
+++ b/math/vtk43/files/patch-aa
@@ -17,7 +17,7 @@
 -MESA_INCLUDE=-I/home/martink/storage/Mesa-1.2.6/include
 -MESA_LIB=/home/martink/storage/Mesa-1.2.6/lib-sun4-solaris/libMesaGL.a
 +MESA_INCLUDE=-I${X11BASE}/include
-+MESA_LIB=-L${X11BASE} -lGL
++MESA_LIB=-L${X11BASE} -lGL -lOSMesa
  
  # for python you must set this 
 -PYTHON_INCLUDES=-I/home/schroede/montnaro/Python-1.4/Include
diff --git a/math/vtk5/files/patch-aa b/math/vtk5/files/patch-aa
index 6aee97f9413e..0e95173ce8e1 100644
--- a/math/vtk5/files/patch-aa
+++ b/math/vtk5/files/patch-aa
@@ -17,7 +17,7 @@
 -MESA_INCLUDE=-I/home/martink/storage/Mesa-1.2.6/include
 -MESA_LIB=/home/martink/storage/Mesa-1.2.6/lib-sun4-solaris/libMesaGL.a
 +MESA_INCLUDE=-I${X11BASE}/include
-+MESA_LIB=-L${X11BASE} -lGL
++MESA_LIB=-L${X11BASE} -lGL -lOSMesa
  
  # for python you must set this 
 -PYTHON_INCLUDES=-I/home/schroede/montnaro/Python-1.4/Include