diff --git a/OpenCL/inc_common.cl b/OpenCL/inc_common.cl
index 818b32e69..6976daed6 100644
--- a/OpenCL/inc_common.cl
+++ b/OpenCL/inc_common.cl
@@ -1317,7 +1317,7 @@ DECLSPEC u64x hc_swap64 (const u64x v)
   asm volatile ("mov.b64 %0, {%1, %2};" : "=l"(r.sf) : "r"(tr.sf), "r"(tl.sf));
   #endif
 
-  #elif defined IS_METAL
+  #elif defined IS_METAL || defined IS_APPLE_SILICON
 
   const u32x a0 = h32_from_64 (v);
   const u32x a1 = l32_from_64 (v);
@@ -1391,7 +1391,7 @@ DECLSPEC u64 hc_swap64_S (const u64 v)
 
   asm volatile ("mov.b64 %0, {%1, %2};" : "=l"(r) : "r"(tr), "r"(tl));
 
-  #elif defined IS_METAL
+  #elif defined IS_METAL || defined IS_APPLE_SILICON
 
   const u32 v0 = h32_from_64_S (v);
   const u32 v1 = l32_from_64_S (v);
diff --git a/docs/changes.txt b/docs/changes.txt
index 283e3c0d4..8e0579a0d 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -87,7 +87,7 @@
 - Fixed build failed for 18400 with Apple Metal
 - Fixed build failed for 18600 with Apple Metal
 - Fixed build failed for 4410 with vector width > 1
-- Fixed build failure for almost all hash modes that make use of hc_swap64 and/or hc_swap64_S with Apple Metal
+- Fixed build failure for almost all hash modes that make use of hc_swap64 and/or hc_swap64_S with Apple Metal / Apple Silicon
 - Fixed debug mode 5 by adding the missing colon between original-word and finding-rule
 - Fixed display problem of the "Optimizers applied" list for algorithms using OPTI_TYPE_SLOW_HASH_SIMD_INIT2 and/or OPTI_TYPE_SLOW_HASH_SIMD_LOOP2
 - Fixed incompatible pointer types (salt1 and salt2 buf) in 3730 a3 kernel