for (p = 0; p < ctx->num_enabled_probes; p++) {
index = g_array_index(ctx->probeindices, int, p);
curbit = (sample[p / 8] & (((uint8_t) 1) << index)) >> index;
- prevbit = (ctx->prevsample[p / 8] & (((uint64_t) 1) << index)) >> index;
+ prevbit = (ctx->prevsample[p / 8] & (((uint8_t) 1) << index)) >> index;
/* VCD only contains deltas/changes of signals. */
if (prevbit == curbit)