diff --git a/picosoc/.gitignore b/picosoc/.gitignore
index 08067d3..4ac8239 100644
--- a/picosoc/.gitignore
+++ b/picosoc/.gitignore
@@ -2,7 +2,7 @@
 /spiflash_tb.vvp
 /hx8kdemo.asc
 /hx8kdemo.bin
-/hx8kdemo.blif
+/hx8kdemo.json
 /hx8kdemo.log
 /hx8kdemo.rpt
 /hx8kdemo_syn.v