diff --git a/.gitignore b/.gitignore
index 412edcca..e1f27fcd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,6 +17,7 @@ src/Main/veracrypt
 *.osse41
 *.ossse3
 *.oshani
+*.oarmv8crypto
 
 # VC macOS build artifacts
 src/Main/VeraCrypt
diff --git a/src/Crypto/cpu.c b/src/Crypto/cpu.c
index 85278a92..0f1ba54d 100644
--- a/src/Crypto/cpu.c
+++ b/src/Crypto/cpu.c
@@ -470,12 +470,14 @@ void DisableCPUExtendedFeatures ()
 #endif
 
 #if CRYPTOPP_BOOL_ARMV8
-
-volatile int g_hasAESARM = 0;
-
+#if defined(__linux__) && defined(__aarch64__)
+#include <sys/auxv.h>
 #ifndef HWCAP_AES
 # define HWCAP_AES (1 << 3)
 #endif
+#endif
+
+volatile int g_hasAESARM = 0;
 
 inline int CPU_QueryAES()
 {