@ -491,7 +491,7 @@ void* Fl_Gl_Window_Driver::GetProcAddress(const char *procName) {
# endif // RTLD_DEFAULT
#elif defined(HAVE_GLXGETPROCADDRESSARB)
return glXGetProcAddressARB((const GLubyte *)procName);
return (void*)glXGetProcAddressARB((const GLubyte *)procName);
#else
return 0;