--- BUILD/ext2resize-1.1.19/src/ext2_unix_io.c
+++ BUILD/ext2resize-1.1.19/src/ext2_unix_io.c
@@ -256,7 +256,7 @@
 		goto error_free_cookie;
 	}
 
-	if ((monster->fdwrite = open(dev, O_WRONLY | O_LARGEFILE)) < 0) {
+	if ((monster->fdwrite = open(dev, O_RDONLY | O_LARGEFILE)) < 0) {
 		char msg[4097];
 
 		snprintf(msg, 4096, "%s: writing %s", prog, dev);
@@ -301,7 +301,7 @@
 	return dh;
 
  error_close_write:
-	close(monster->fdread);
+	close(monster->fdwrite);
 
  error_close_read:
 	close(monster->fdread);