diff --git a/build/bakefiles/opengl.bkl b/build/bakefiles/opengl.bkl
index 6ecbe8321f..782b1f738b 100644
--- a/build/bakefiles/opengl.bkl
+++ b/build/bakefiles/opengl.bkl
@@ -12,8 +12,12 @@
         <define>WXUSINGDLL</define>
         <define>WXMAKINGDLL_GL</define>
         <sources>$(OPENGL_SRC)</sources>
+
+        <!-- link against base and core libs in multilib build: --> 
         <library>coredll</library>
         <library>basedll</library>
+        <!-- link against the wxWin library in monolithic build: -->
+        <sys-lib>$(WXLIB_MONO)</sys-lib>
 
         <if cond="FORMAT=='autoconf'">
             <ldflags>$(OPENGL_LIBS)</ldflags>