diff --git a/opcodes-rv32zbc b/rv_zbc
similarity index 99%
rename from opcodes-rv32zbc
rename to rv_zbc
index 821518bd..c2494bdd 100644
--- a/opcodes-rv32zbc
+++ b/rv_zbc
@@ -1,3 +1,4 @@
 clmul      rd rs1 rs2 31..25=5 14..12=1 6..2=0x0C 1..0=3
 clmulr     rd rs1 rs2 31..25=5 14..12=2 6..2=0x0C 1..0=3
 clmulh     rd rs1 rs2 31..25=5 14..12=3 6..2=0x0C 1..0=3
+