diff --git a/library/aes.c b/library/aes.c
index 774c2ee..47a5e3e 100644
--- a/library/aes.c
+++ b/library/aes.c
@@ -653,7 +653,7 @@
 #endif
 
 #if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_HAVE_ARM64)
-    if (mbedtls_aesce_has_support()) {
+    if (MBEDTLS_AESCE_HAS_SUPPORT()) {
         return mbedtls_aesce_setkey_enc((unsigned char *) RK, key, keybits);
     }
 #endif
@@ -765,7 +765,7 @@
 #endif
 
 #if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_HAVE_ARM64)
-    if (mbedtls_aesce_has_support()) {
+    if (MBEDTLS_AESCE_HAS_SUPPORT()) {
         mbedtls_aesce_inverse_key(
             (unsigned char *) RK,
             (const unsigned char *) (cty.buf + cty.rk_offset),
@@ -1092,7 +1092,7 @@
 #endif
 
 #if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_HAVE_ARM64)
-    if (mbedtls_aesce_has_support()) {
+    if (MBEDTLS_AESCE_HAS_SUPPORT()) {
         return mbedtls_aesce_crypt_ecb(ctx, mode, input, output);
     }
 #endif
@@ -1911,7 +1911,7 @@
         } else
 #endif
 #if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_HAVE_ARM64)
-        if (mbedtls_aesce_has_support()) {
+        if (MBEDTLS_AESCE_HAS_SUPPORT()) {
             mbedtls_printf("  AES note: using AESCE.\n");
         } else
 #endif
diff --git a/library/aesce.h b/library/aesce.h
index 8d48c60..735c8cf 100644
--- a/library/aesce.h
+++ b/library/aesce.h
@@ -53,7 +53,7 @@
  */
 int mbedtls_aesce_has_support_impl(void);
 
-#define mbedtls_aesce_has_support() (mbedtls_aesce_has_support_result == -1 ? \
+#define MBEDTLS_AESCE_HAS_SUPPORT() (mbedtls_aesce_has_support_result == -1 ? \
                                      mbedtls_aesce_has_support_impl() : \
                                      mbedtls_aesce_has_support_result)
 
@@ -62,7 +62,7 @@
 /* If we are not on Linux, we can't detect support so assume that it's supported.
  * Similarly, assume support if MBEDTLS_AES_USE_HARDWARE_ONLY is set.
  */
-#define mbedtls_aesce_has_support() 1
+#define MBEDTLS_AESCE_HAS_SUPPORT() 1
 
 #endif /* defined(__linux__) && !defined(MBEDTLS_AES_USE_HARDWARE_ONLY) */
 
diff --git a/library/gcm.c b/library/gcm.c
index d49725c..786290f 100644
--- a/library/gcm.c
+++ b/library/gcm.c
@@ -98,7 +98,7 @@
 #endif
 
 #if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_HAVE_ARM64)
-    if (mbedtls_aesce_has_support()) {
+    if (MBEDTLS_AESCE_HAS_SUPPORT()) {
         return 0;
     }
 #endif
@@ -209,7 +209,7 @@
 #endif /* MBEDTLS_AESNI_HAVE_CODE */
 
 #if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_HAVE_ARM64)
-    if (mbedtls_aesce_has_support()) {
+    if (MBEDTLS_AESCE_HAS_SUPPORT()) {
         unsigned char h[16];
 
         /* mbedtls_aesce_gcm_mult needs big-endian input */
@@ -886,7 +886,7 @@
 #endif
 
 #if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_HAVE_ARM64)
-        if (mbedtls_aesce_has_support()) {
+        if (MBEDTLS_AESCE_HAS_SUPPORT()) {
             mbedtls_printf("  GCM note: using AESCE.\n");
         } else
 #endif