diff --git a/OpenCL/m13500_a0.cl b/OpenCL/m13500_a0.cl
index 15fd7ca71..85f318cb4 100644
--- a/OpenCL/m13500_a0.cl
+++ b/OpenCL/m13500_a0.cl
@@ -65,7 +65,7 @@ static void memcat64c_be (u32x block[16], const u32 offset, u32x carry[16])
   tmp13 = __byte_perm (carry[13], carry[12], selector);
   tmp14 = __byte_perm (carry[14], carry[13], selector);
   tmp15 = __byte_perm (carry[15], carry[14], selector);
-  tmp17 = __byte_perm (        0, carry[15], selector);
+  tmp16 = __byte_perm (        0, carry[15], selector);
   #endif
 
   #if defined IS_AMD || defined IS_GENERIC
diff --git a/OpenCL/m13500_a1.cl b/OpenCL/m13500_a1.cl
index 0d90af742..77ac8df0b 100644
--- a/OpenCL/m13500_a1.cl
+++ b/OpenCL/m13500_a1.cl
@@ -63,7 +63,7 @@ static void memcat64c_be (u32x block[16], const u32 offset, u32x carry[16])
   tmp13 = __byte_perm (carry[13], carry[12], selector);
   tmp14 = __byte_perm (carry[14], carry[13], selector);
   tmp15 = __byte_perm (carry[15], carry[14], selector);
-  tmp17 = __byte_perm (        0, carry[15], selector);
+  tmp16 = __byte_perm (        0, carry[15], selector);
   #endif
 
   #if defined IS_AMD || defined IS_GENERIC
diff --git a/OpenCL/m13500_a3.cl b/OpenCL/m13500_a3.cl
index 6c5303c58..92a526f4b 100644
--- a/OpenCL/m13500_a3.cl
+++ b/OpenCL/m13500_a3.cl
@@ -63,7 +63,7 @@ static void memcat64c_be (u32x block[16], const u32 offset, u32x carry[16])
   tmp13 = __byte_perm (carry[13], carry[12], selector);
   tmp14 = __byte_perm (carry[14], carry[13], selector);
   tmp15 = __byte_perm (carry[15], carry[14], selector);
-  tmp17 = __byte_perm (        0, carry[15], selector);
+  tmp16 = __byte_perm (        0, carry[15], selector);
   #endif
 
   #if defined IS_AMD || defined IS_GENERIC