diff --git a/riscv/insns/vsra_vi.h b/riscv/insns/vsra_vi.h
index 5c589274..806fe393 100644
--- a/riscv/insns/vsra_vi.h
+++ b/riscv/insns/vsra_vi.h
@@ -1,5 +1,5 @@
 // vsra.vi vd, vs2, zimm5
-VI_VI_LOOP
+VI_VI_ULOOP
 ({
-  vd = vs2 >> (simm5 & (sew - 1) & 0x1f);
+  vd = vs2 >> (zimm5 & (sew - 1));
 })
diff --git a/riscv/insns/vssrl_vi.h b/riscv/insns/vssrl_vi.h
index 74fa37c6..a2de49e7 100644
--- a/riscv/insns/vssrl_vi.h
+++ b/riscv/insns/vssrl_vi.h
@@ -1,4 +1,4 @@
-// vssra.vi vd, vs2, simm5
+// vssra.vi vd, vs2, zimm5
 VI_VI_ULOOP
 ({
   VRM xrm = P.VU.get_vround_mode();