diff --git a/src/Fl_Gl_Choice.cxx b/src/Fl_Gl_Choice.cxx
index f236a63cf..9e04f36f9 100644
--- a/src/Fl_Gl_Choice.cxx
+++ b/src/Fl_Gl_Choice.cxx
@@ -368,7 +368,7 @@ GLContext fl_create_gl_context(Fl_Window* window, const Fl_Gl_Choice* g, int lay
 
 GLContext fl_create_gl_context(XVisualInfo* vis) {
   GLContext shared_ctx = 0;
-  if (context_list && nContext) shared_context = context_list[0];
+  if (context_list && nContext) shared_ctx = context_list[0];
   GLContext context = glXCreateContext(fl_display, vis, shared_ctx, 1);
   if (context)
     add_context(context);