diff --git a/auto/src/glew_init_tail.c b/auto/src/glew_init_tail.c
index e21ce96..94af367 100644
--- a/auto/src/glew_init_tail.c
+++ b/auto/src/glew_init_tail.c
@@ -8,6 +8,7 @@ const GLubyte * GLEWAPIENTRY glewGetErrorString (GLenum error)
     (const GLubyte*)"Missing GL version",
     (const GLubyte*)"GL 1.1 and up are not supported",
     (const GLubyte*)"GLX 1.2 and up are not supported",
+    (const GLubyte*)"No GLX display",
     (const GLubyte*)"Unknown error"
   };
   const size_t max_error = sizeof(_glewErrorString)/sizeof(*_glewErrorString) - 1;