diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c
index 13fce71..76ad14c 100644
--- a/util/nvmutil/nvmutil.c
+++ b/util/nvmutil/nvmutil.c
@@ -427,27 +427,27 @@ writeGbe(void)
 	if ((!gbeFileChanged) || (flags == O_RDONLY))
 		return;
 
-	ssize_t tbw = 0; /* total bytes written */
+	ssize_t tnw = 0; /* total bytes written */
 
 	for (int p = 0; p < 2; p++) {
 		if ((!nvmPartChanged[p]))
 			continue;
 
 		swap(p); /* swap bytes on big-endian host CPUs */
-		ssize_t bw = pwrite(fd, (uint8_t *) gbe[p], nf, p * partsize);
-		err_if(bw == -1);
-		if (bw != nf)
+		ssize_t nw = pwrite(fd, (uint8_t *) gbe[p], nf, p * partsize);
+		err_if(nw == -1);
+		if (nw != nf)
 			err(errno == ECANCELED,
 			    "%ld bytes written on '%s', expected %ld bytes\n",
-			    bw, filename, nf);
+			    nw, filename, nf);
 
-		tbw += nf;
+		tnw += nf;
 	}
 
-	if ((!tbw) && (gbeFileChanged))
+	if ((!tnw) && (gbeFileChanged))
 		fprintf(stderr, "No changes needed on file '%s'\n", filename);
-	else if (tbw)
-		printf("%ld bytes written to file '%s'\n", tbw, filename);
+	else if (tnw)
+		printf("%ld bytes written to file '%s'\n", tnw, filename);
 
 	errno = 0;
 	err_if(close(fd) == -1);