diff --git a/cmd/cbfs.c b/cmd/cbfs.c
index 95a11a3..799ba01 100644
--- a/cmd/cbfs.c
+++ b/cmd/cbfs.c
@@ -80,7 +80,7 @@
 
 	printf("\n%ld bytes read\n", size);
 
-	setenv_hex("filesize", size);
+	env_set_hex("filesize", size);
 
 	return 0;
 }