diff --git a/opcodes-system b/rv_s
similarity index 93%
rename from opcodes-system
rename to rv_s
index e77b0f6a..25f35320 100644
--- a/opcodes-system
+++ b/rv_s
@@ -1,3 +1,3 @@
-# SYSTEM
-sret      11..7=0 19..15=0 31..20=0x102 14..12=0 6..2=0x1C 1..0=3
 sfence.vma 11..7=0 rs1 rs2 31..25=0x09  14..12=0 6..2=0x1C 1..0=3
+sret      11..7=0 19..15=0 31..20=0x102 14..12=0 6..2=0x1C 1..0=3
+