diff --git a/.wolfssl_known_macro_extras b/.wolfssl_known_macro_extras
index aeade5d0d..9abfad82c 100644
--- a/.wolfssl_known_macro_extras
+++ b/.wolfssl_known_macro_extras
@@ -245,6 +245,7 @@ HSM_KEY_TYPE_HMAC_512
 HSM_OP_KEY_GENERATION_FLAGS_CREATE
 HSM_OP_KEY_GENERATION_FLAGS_UPDATE
 HSM_SVC_KEY_STORE_FLAGS_UPDATE
+HWCAP_ASIMDRDM
 IDIRECT_DEV_RANDOM
 IDIRECT_DEV_TIME
 ID_TRNG
diff --git a/wolfcrypt/src/cpuid.c b/wolfcrypt/src/cpuid.c
index 072983b6e..a0b80fdfe 100644
--- a/wolfcrypt/src/cpuid.c
+++ b/wolfcrypt/src/cpuid.c
@@ -170,7 +170,7 @@
             if (hwcaps & HWCAP_SHA512)
                 cpuid_flags |= CPUID_SHA512;
         #endif
-        #ifndef WOLFSSL_AARCH64_NO_SQRDMLSH
+        #if defined(HWCAP_ASIMDRDM) && !defined(WOLFSSL_AARCH64_NO_SQRDMLSH)
             if (hwcaps & HWCAP_ASIMDRDM)
                 cpuid_flags |= CPUID_RDM;
         #endif