diff --git a/README.md b/README.md
index 72d71e8..91a5714 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ There are more output modes like org-mode (orgtbl) and markdown.
 
 ## Demo
 
-[![asciicast](https://asciinema.org/a/9FKc3HPnlg8D2X8otheleEa9t.svg)](https://asciinema.org/a/9FKc3HPnlg8D2X8otheleEa9t)
+[![asciicast](demo/tablizer-demo.gif)](https://asciinema.org/a/9FKc3HPnlg8D2X8otheleEa9t)
 
 ## Installation
 
diff --git a/demo/Makefile b/demo/Makefile
new file mode 100644
index 0000000..0a1ed48
--- /dev/null
+++ b/demo/Makefile
@@ -0,0 +1,3 @@
+all:
+	LC_ALL=en_US.UTF-8 asciinema rec --cols 50 --row 30 -c ./demo.sh --overwrite tmp.cast
+	agg tmp.cast tmp.gif
diff --git a/demo/tablizer-demo.gif b/demo/tablizer-demo.gif
new file mode 100644
index 0000000..c3c2f66
Binary files /dev/null and b/demo/tablizer-demo.gif differ