diff --git a/kglobe.py b/kglobe.py
index 8d33e55..d2eaac3 100644
--- a/kglobe.py
+++ b/kglobe.py
@@ -94,6 +94,7 @@ async def main():
     )
     parser.add_argument("-t", "--traceroute", default=None)
     parser.add_argument("--example", action="store_true")
+    parser.add_argument("-s", "--size", nargs=2, type=int, help="width x height in px")
     args = parser.parse_args()
 
     locations = []
@@ -123,7 +124,10 @@ async def main():
     else:
         points_3d = [latlon_to_xyz(lat, lon) for lat, lon in locations]
 
-    height, width = await kitty.get_terminal_size_pixel()
+    if args.size:
+        width, height = args.size
+    else:
+        height, width = await kitty.get_terminal_size_pixel()
     plotter = TerminalPlotter(width, height)
     plotter.add_mesh(globe, color="tan", smooth_shading=False, texture=tex, show_edges=False)