diff --git a/lumps/catoptromancy/demo1_p1.lmp b/lumps/catoptromancy/demo1_p1.lmp
deleted file mode 100644
index 4ea100d3..00000000
Binary files a/lumps/catoptromancy/demo1_p1.lmp and /dev/null differ
diff --git a/lumps/chungy/c1m7.lmp b/lumps/chungy/c1m7.lmp
new file mode 100644
index 00000000..da5cc90d
Binary files /dev/null and b/lumps/chungy/c1m7.lmp differ
diff --git a/lumps/demo1_p1.lmp b/lumps/demo1_p1.lmp
index 38e05947..d3fee77a 120000
--- a/lumps/demo1_p1.lmp
+++ b/lumps/demo1_p1.lmp
@@ -1 +1 @@
-catoptromancy/demo1_p1.lmp
\ No newline at end of file
+chungy/c1m7.lmp
\ No newline at end of file