diff --git a/fmap.c b/fmap.c
index 0eb5bf9..0e8dd95 100644
--- a/fmap.c
+++ b/fmap.c
@@ -167,7 +167,7 @@
 		goto _finalize_ret;
 	}
 
-	ret = flashctx->chip->read(flashctx, buf + rom_offset, rom_offset, len);
+	ret = flashprog_read_range(flashctx, buf + rom_offset, rom_offset, len);
 	if (ret) {
 		msg_pdbg("Cannot read ROM contents.\n");
 		goto _free_ret;
@@ -232,7 +232,7 @@
 
 			/* Read errors are considered non-fatal since we may
 			 * encounter locked regions and want to continue. */
-			if (flashctx->chip->read(flashctx, (uint8_t *)fmap, offset, sig_len)) {
+			if (flashprog_read_range(flashctx, (uint8_t *)fmap, offset, sig_len)) {
 				/*
 				 * Print in verbose mode only to avoid excessive
 				 * messages for benign errors. Subsequent error
@@ -245,7 +245,7 @@
 			if (memcmp(fmap, FMAP_SIGNATURE, sig_len) != 0)
 				continue;
 
-			if (flashctx->chip->read(flashctx, (uint8_t *)fmap + sig_len,
+			if (flashprog_read_range(flashctx, (uint8_t *)fmap + sig_len,
 						offset + sig_len, sizeof(*fmap) - sig_len)) {
 				msg_cerr("Cannot read %zu bytes at offset %06zx\n",
 						sizeof(*fmap) - sig_len, offset + sig_len);
@@ -277,7 +277,7 @@
 		goto _free_ret;
 	}
 
-	if (flashctx->chip->read(flashctx, (uint8_t *)fmap + sizeof(*fmap),
+	if (flashprog_read_range(flashctx, (uint8_t *)fmap + sizeof(*fmap),
 				offset + sizeof(*fmap), fmap_len - sizeof(*fmap))) {
 		msg_cerr("Cannot read %zu bytes at offset %06zx\n",
 				fmap_len - sizeof(*fmap), offset + sizeof(*fmap));