gsl-shell.git - gsl-shell

diff --git a/agg-plot/lua-draw.cpp b/agg-plot/lua-draw.cpp
index b9a3a13e..4148c3c8 100644
--- a/agg-plot/lua-draw.cpp
+++ b/agg-plot/lua-draw.cpp

@@ -147,7 +147,10 @@ path_cmd (draw::path *p, int _cmd, struct cmd_call_stack *s)

ps.move_to (s->f[0], s->f[1]);

break;

case CMD_LINE_TO:

- ps.line_to (s->f[0], s->f[1]);

+ if (ps.total_vertices() == 0)

+ ps.move_to (s->f[0], s->f[1]);

+ else

+ ps.line_to (s->f[0], s->f[1]);

break;

case CMD_CLOSE:

ps.close_polygon ();