diff --git a/sshaes.c b/sshaes.c
index 97ea9f31..6671879e 100644
--- a/sshaes.c
+++ b/sshaes.c
@@ -1580,6 +1580,7 @@ NI_ENC_DEC(256)
  */
 #define __ARM_NEON 1
 #define __ARM_FEATURE_CRYPTO 1
+#define __ARM_FEATURE_AES 1
 #define FUNC_ISA __attribute__ ((target("neon,crypto")))
 #endif /* USE_CLANG_ATTR_TARGET_AARCH64 */
 
diff --git a/sshsh256.c b/sshsh256.c
index 206a976c..db1f96bd 100644
--- a/sshsh256.c
+++ b/sshsh256.c
@@ -723,6 +723,7 @@ const ssh_hashalg ssh_sha256_hw = {
  */
 #define __ARM_NEON 1
 #define __ARM_FEATURE_CRYPTO 1
+#define __ARM_FEATURE_SHA2 1
 #define FUNC_ISA __attribute__ ((target("neon,crypto")))
 #endif /* USE_CLANG_ATTR_TARGET_AARCH64 */
 
diff --git a/sshsha.c b/sshsha.c
index 536d474f..a5e79e6a 100644
--- a/sshsha.c
+++ b/sshsha.c
@@ -690,6 +690,7 @@ const ssh_hashalg ssh_sha1_hw = {
  */
 #define __ARM_NEON 1
 #define __ARM_FEATURE_CRYPTO 1
+#define __ARM_FEATURE_SHA2 1
 #define FUNC_ISA __attribute__ ((target("neon,crypto")))
 #endif /* USE_CLANG_ATTR_TARGET_AARCH64 */