diff --git a/device-gpu.c b/device-gpu.c
index ba230bc2..44697e07 100644
--- a/device-gpu.c
+++ b/device-gpu.c
@@ -764,8 +764,8 @@ static cl_int queue_diakgcn_kernel(_clState *clState, dev_blk_ctx *blk)
 	CL_SET_BLKARG(ctx_g);
 	CL_SET_BLKARG(ctx_h);
 
-	CL_SET_BLKARG(A0);
-	CL_SET_BLKARG(B0);
+	CL_SET_BLKARG(zeroA);
+	CL_SET_BLKARG(zeroB);
 
 	CL_SET_ARG(clState->outputBuffer);
 
diff --git a/findnonce.c b/findnonce.c
index 8ea4e1c1..2781dd69 100644
--- a/findnonce.c
+++ b/findnonce.c
@@ -120,8 +120,8 @@ void precalc_hash(dev_blk_ctx *blk, uint32_t *state, uint32_t *data) {
 	blk->W16addK16 = blk->W16 + SHA256_K[16];
 	blk->W17addK17 = blk->W17 + SHA256_K[17];
 
-	blk->A0 = blk->ctx_a + 0x98c7e2a2;
-	blk->B0 = blk->ctx_a + 0xfc08884d;
+	blk->zeroA = blk->ctx_a + 0x98c7e2a2;
+	blk->zeroB = blk->ctx_a + 0xfc08884d;
 }
 
 #define P(t) (W[(t)&0xF] = W[(t-16)&0xF] + (rotate(W[(t-15)&0xF], 25) ^ rotate(W[(t-15)&0xF], 14) ^ (W[(t-15)&0xF] >> 3)) + W[(t-7)&0xF] + (rotate(W[(t-2)&0xF], 15) ^ rotate(W[(t-2)&0xF], 13) ^ (W[(t-2)&0xF] >> 10)))
diff --git a/miner.h b/miner.h
index f1160e00..69050889 100644
--- a/miner.h
+++ b/miner.h
@@ -618,7 +618,7 @@ typedef struct {
 
 	/* For diakgcn */
 	cl_uint B1addK6, PreVal0addK7, W16addK16, W17addK17;
-	cl_uint A0, B0;
+	cl_uint zeroA, zeroB;
 } dev_blk_ctx;
 #else
 typedef struct {