diff --git a/OpenCL/m32500-pure.cl b/OpenCL/m32500-pure.cl
index f8e060417..a40ed2481 100644
--- a/OpenCL/m32500-pure.cl
+++ b/OpenCL/m32500-pure.cl
@@ -97,12 +97,12 @@ CONSTANT_VK u32 base64_table[64] =
 DECLSPEC u32 base64_encode_three_bytes_better (u32 in)
 {
   //in has 3 u8s in, first u8 is not set)
-  u32 out;
+  u32 out = 0;
 
-  out  = base64_table[(in >> 18) & 0x3F] << 24;
+  out |= base64_table[(in >> 18) & 0x3F] << 24;
   out |= base64_table[(in >> 12) & 0x3F] << 16;
   out |= base64_table[(in >>  6) & 0x3F] << 8;
-  out |= base64_table[(in      ) & 0x3F];
+  out |= base64_table[(in >>  0) & 0x3F] << 0;
 
   return out;
 }
@@ -112,12 +112,12 @@ DECLSPEC void base64_encode_sha256 (u32 *out, const u32 *in)
   out[0] = base64_encode_three_bytes_better(                (in[0] >>  8));
   out[1] = base64_encode_three_bytes_better((in[0] << 16) | (in[1] >> 16));
   out[2] = base64_encode_three_bytes_better((in[1] <<  8) | (in[2] >> 24));
-  out[3] = base64_encode_three_bytes_better((in[2]      ));
+  out[3] = base64_encode_three_bytes_better((in[2] <<  0));
 
   out[4] = base64_encode_three_bytes_better(                (in[3] >>  8));
   out[5] = base64_encode_three_bytes_better((in[3] << 16) | (in[4] >> 16));
   out[6] = base64_encode_three_bytes_better((in[4] <<  8) | (in[5] >> 24));
-  out[7] = base64_encode_three_bytes_better((in[5]      ));
+  out[7] = base64_encode_three_bytes_better((in[5] <<  0));
 
   out[8] = base64_encode_three_bytes_better(                (in[6] >>  8));
   out[9] = base64_encode_three_bytes_better((in[6] << 16) | (in[7] >> 16));