diff --git a/OpenCL/m03730_a3-pure.cl b/OpenCL/m03730_a3-pure.cl
index 58f8b4410..903512e24 100644
--- a/OpenCL/m03730_a3-pure.cl
+++ b/OpenCL/m03730_a3-pure.cl
@@ -80,7 +80,7 @@ KERNEL_FQ void m03730_mxx (KERN_ATTR_VECTOR_ESALT (md5_double_salt_t))
 
   const u32 salt_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_len;
 
-  u32 s[64] = { 0 };
+  u32x s[64] = { 0 };
 
   for (u32 i = 0, idx = 0; i < salt_len; i += 4, idx += 1)
   {
@@ -89,7 +89,7 @@ KERNEL_FQ void m03730_mxx (KERN_ATTR_VECTOR_ESALT (md5_double_salt_t))
 
   const u32 salt_len2 = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len;
 
-  u32 s2[64] = { 0 };
+  u32x s2[64] = { 0 };
 
   for (u32 i = 0, idx = 0; i < salt_len2; i += 4, idx += 1)
   {
@@ -232,7 +232,7 @@ KERNEL_FQ void m03730_sxx (KERN_ATTR_VECTOR_ESALT (md5_double_salt_t))
 
   const u32 salt_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_len;
 
-  u32 s[64] = { 0 };
+  u32x s[64] = { 0 };
 
   for (u32 i = 0, idx = 0; i < salt_len; i += 4, idx += 1)
   {
@@ -241,7 +241,7 @@ KERNEL_FQ void m03730_sxx (KERN_ATTR_VECTOR_ESALT (md5_double_salt_t))
 
   const u32 salt_len2 = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len;
 
-  u32 s2[64] = { 0 };
+  u32x s2[64] = { 0 };
 
   for (u32 i = 0, idx = 0; i < salt_len2; i += 4, idx += 1)
   {
diff --git a/OpenCL/m18400-pure.cl b/OpenCL/m18400-pure.cl
index c3f2931f5..36c1411f1 100644
--- a/OpenCL/m18400-pure.cl
+++ b/OpenCL/m18400-pure.cl
@@ -391,7 +391,7 @@ KERNEL_FQ void m18400_comp (KERN_ATTR_TMPS_ESALT (odf12_tmp_t, odf12_t))
 
   if (remaining64)
   {
-    u32 *pt_remaining = pt + (encrypted_len64 / 4);
+    PRIVATE_AS u32 *pt_remaining = pt + (encrypted_len64 / 4);
 
     truncate_block_16x4_be_S (pt_remaining + 0, pt_remaining + 4, pt_remaining + 8, pt_remaining + 12, remaining64);
 
diff --git a/OpenCL/m18600-pure.cl b/OpenCL/m18600-pure.cl
index 8618025fb..6280e0a57 100644
--- a/OpenCL/m18600-pure.cl
+++ b/OpenCL/m18600-pure.cl
@@ -797,7 +797,7 @@ KERNEL_FQ void FIXED_THREAD_COUNT(FIXED_LOCAL_SIZE_COMP) m18600_comp (KERN_ATTR_
 
   if (remaining64)
   {
-    u32 *pt_remaining = pt + (encrypted_len64 / 4);
+    PRIVATE_AS u32 *pt_remaining = pt + (encrypted_len64 / 4);
 
     truncate_block_16x4_be_S (pt_remaining + 0, pt_remaining + 4, pt_remaining + 8, pt_remaining + 12, remaining64);
 
diff --git a/OpenCL/m31700_a3-pure.cl b/OpenCL/m31700_a3-pure.cl
index 18e0ee510..9a9db3047 100644
--- a/OpenCL/m31700_a3-pure.cl
+++ b/OpenCL/m31700_a3-pure.cl
@@ -80,7 +80,7 @@ KERNEL_FQ void m31700_mxx (KERN_ATTR_VECTOR_ESALT (md5_double_salt_t))
 
   const u32 salt1_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_len;
 
-  u32 salt1_buf[64] = { 0 };
+  u32x salt1_buf[64] = { 0 };
 
   for (u32 i = 0, idx = 0; i < salt1_len; i += 4, idx += 1)
   {
@@ -89,7 +89,7 @@ KERNEL_FQ void m31700_mxx (KERN_ATTR_VECTOR_ESALT (md5_double_salt_t))
 
   const u32 salt2_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len;
 
-  u32 salt2_buf[64] = { 0 };
+  u32x salt2_buf[64] = { 0 };
 
   for (u32 i = 0, idx = 0; i < salt2_len; i += 4, idx += 1)
   {
@@ -245,7 +245,7 @@ KERNEL_FQ void m31700_sxx (KERN_ATTR_VECTOR_ESALT (md5_double_salt_t))
 
   const u32 salt1_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_len;
 
-  u32 salt1_buf[64] = { 0 };
+  u32x salt1_buf[64] = { 0 };
 
   for (u32 i = 0, idx = 0; i < salt1_len; i += 4, idx += 1)
   {
@@ -254,7 +254,7 @@ KERNEL_FQ void m31700_sxx (KERN_ATTR_VECTOR_ESALT (md5_double_salt_t))
 
   const u32 salt2_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len;
 
-  u32 salt2_buf[64] = { 0 };
+  u32x salt2_buf[64] = { 0 };
 
   for (u32 i = 0, idx = 0; i < salt2_len; i += 4, idx += 1)
   {
diff --git a/docs/changes.txt b/docs/changes.txt
index 64f694fff..aa0ef815d 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -51,7 +51,11 @@
 - Skip chained generated rules that exceed the maximum number of function calls
 - Fixed incorrect plaintext check for 25400 and 26610. Increased plaintext check to 32 bytes to prevent false positives.
 - Fixed bug in --stdout that caused certain rules to malfunction
+- Fixed build failed for 18400 with Apple Metal
+- Fixed build failed for 18600 with Apple Metal
 - 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 31700 a3 kernel
+- Fixed incompatible pointer types (salt1 and salt2 buf) in 3730 a3 kernel
 - Handle signed/unsigned PDF permission P value for all PDF hash-modes
 
 ##