diff --git a/usr/lib/bootc/kargs.d/10-luks-discard.toml b/usr/lib/bootc/kargs.d/10-luks-discard.toml
new file mode 100644
index 0000000..f835d26
--- /dev/null
+++ b/usr/lib/bootc/kargs.d/10-luks-discard.toml
@@ -0,0 +1 @@
+kargs = ["rd.luks.options=discard"]