diff --git a/wolfcrypt/src/port/arm/armv8-mlkem-asm.S b/wolfcrypt/src/port/arm/armv8-mlkem-asm.S
index 14010de903..fe2c9333c4 100644
--- a/wolfcrypt/src/port/arm/armv8-mlkem-asm.S
+++ b/wolfcrypt/src/port/arm/armv8-mlkem-asm.S
@@ -9765,6 +9765,7 @@ L_sha3_aarch64_r:
 	.quad	0x8000000080008081,0x8000000000008080
 	.quad	0x0000000080000001,0x8000000080008008
 #ifdef WOLFSSL_ARMASM_CRYPTO_SHA3
+.arch_extension sha3
 #ifndef __APPLE__
 .text
 .globl	mlkem_sha3_blocksx3_crypto
diff --git a/wolfcrypt/src/port/arm/armv8-mlkem-asm.asm b/wolfcrypt/src/port/arm/armv8-mlkem-asm.asm
index d72216929d..dfa3802899 100644
--- a/wolfcrypt/src/port/arm/armv8-mlkem-asm.asm
+++ b/wolfcrypt/src/port/arm/armv8-mlkem-asm.asm
@@ -9216,6 +9216,7 @@ L_sha3_aarch64_r
 	DCQ	0x8000000080008081, 0x8000000000008080
 	DCQ	0x0000000080000001, 0x8000000080008008
 	IF :DEF:WOLFSSL_ARMASM_CRYPTO_SHA3
+; .arch_extension sha3
 	AREA	|.text|, CODE, READONLY
 	ALIGN	4
 	EXPORT	mlkem_sha3_blocksx3_crypto
diff --git a/wolfcrypt/src/port/arm/armv8-mlkem-asm_c.c b/wolfcrypt/src/port/arm/armv8-mlkem-asm_c.c
index 2b1f5b40b0..97986ef540 100644
--- a/wolfcrypt/src/port/arm/armv8-mlkem-asm_c.c
+++ b/wolfcrypt/src/port/arm/armv8-mlkem-asm_c.c
@@ -9124,6 +9124,7 @@ void mlkem_sha3_blocksx3_crypto(word64* state)
 {
     const word64* r = L_sha3_aarch64_r;
     __asm__ __volatile__ (
+    ".arch_extension sha3\n\t"
         "stp	x29, x30, [sp, #-64]!\n\t"
         "add	x29, sp, #0\n\t"
         "str	%x[state], [x29, #40]\n\t"
@@ -9423,6 +9424,7 @@ void mlkem_shake128_blocksx3_seed_crypto(word64* state, byte* seed)
 {
     const word64* r = L_sha3_aarch64_r;
     __asm__ __volatile__ (
+    ".arch_extension sha3\n\t"
         "stp	x29, x30, [sp, #-64]!\n\t"
         "add	x29, sp, #0\n\t"
         "str	%x[state], [x29, #40]\n\t"
@@ -9744,6 +9746,7 @@ void mlkem_shake256_blocksx3_seed_crypto(word64* state, byte* seed)
 {
     const word64* r = L_sha3_aarch64_r;
     __asm__ __volatile__ (
+    ".arch_extension sha3\n\t"
         "stp	x29, x30, [sp, #-64]!\n\t"
         "add	x29, sp, #0\n\t"
         "str	%x[state], [x29, #40]\n\t"