diff --git a/crates/core_arch/src/riscv32/zk.rs b/crates/core_arch/src/riscv32/zk.rs
index d95890f420..81bcd0d2df 100644
--- a/crates/core_arch/src/riscv32/zk.rs
+++ b/crates/core_arch/src/riscv32/zk.rs
@@ -142,9 +142,6 @@ pub unsafe fn aes32dsi(rs1: u32, rs2: u32, bs: u8) -> u32 {
     constify_imm2!(bs, aes32dsi)
 }
 
-#[target_feature(enable = "zknd")]
-#[cfg_attr(test, assert_instr(aes32dsmi))]
-#[inline]
 /// AES middle round decryption instruction for RV32.
 ///
 /// This instruction sources a single byte from rs2 according to bs. To this it applies the
@@ -166,6 +163,9 @@ pub unsafe fn aes32dsi(rs1: u32, rs2: u32, bs: u8) -> u32 {
 /// # Safety
 ///
 /// This function is safe to use if the `zknd` target feature is present.
+#[target_feature(enable = "zknd")]
+#[cfg_attr(test, assert_instr(aes32dsmi))]
+#[inline]
 pub unsafe fn aes32dsmi(rs1: u32, rs2: u32, bs: u8) -> u32 {
     macro_rules! aes32dsmi {
             ($imm2:expr) => {{
diff --git a/crates/core_arch/src/riscv64/zk.rs b/crates/core_arch/src/riscv64/zk.rs
index de45ad62c7..8f2884668a 100644
--- a/crates/core_arch/src/riscv64/zk.rs
+++ b/crates/core_arch/src/riscv64/zk.rs
@@ -142,7 +142,7 @@ pub unsafe fn aes64dsm(rs1: u64, rs2: u64) -> u64 {
     let value: u64;
     unsafe {
         asm!(
-            "aes64esm {rd},{rs1},{rs2}",
+            "aes64dsm {rd},{rs1},{rs2}",
             rd = lateout(reg) value,
             rs1 = in(reg) rs1,
             rs2 = in(reg) rs2,
@@ -378,7 +378,7 @@ pub unsafe fn sha512sum1(rs1: u64) -> u64 {
     let value: u64;
     unsafe {
         asm!(
-            "sha512sum0 {rd},{rs1}",
+            "sha512sum1 {rd},{rs1}",
             rd = lateout(reg) value,
             rs1 = in(reg) rs1,
             options(pure, nomem, nostack),
diff --git a/crates/core_arch/src/riscv_shared/zk.rs b/crates/core_arch/src/riscv_shared/zk.rs
index 37ae597b8a..8402c26756 100644
--- a/crates/core_arch/src/riscv_shared/zk.rs
+++ b/crates/core_arch/src/riscv_shared/zk.rs
@@ -267,7 +267,7 @@ pub unsafe fn sha256sum0(rs1: usize) -> usize {
     let value: usize;
     unsafe {
         asm!(
-            "sha256sig1 {rd},{rs1}",
+            "sha256sum0 {rd},{rs1}",
             rd = lateout(reg) value,
             rs1 = in(reg) rs1,
             options(pure, nomem, nostack),
@@ -302,7 +302,7 @@ pub unsafe fn sha256sum1(rs1: usize) -> usize {
     let value: usize;
     unsafe {
         asm!(
-            "sha256sig1 {rd},{rs1}",
+            "sha256sum1 {rd},{rs1}",
             rd = lateout(reg) value,
             rs1 = in(reg) rs1,
             options(pure, nomem, nostack),