1 files changed, 2 insertions, 2 deletions

diff --git a/arch/um/drivers/slirp.h b/arch/um/drivers/slirp.h
index 04e407d1e44a..afa4e30284fd 100644
--- a/arch/um/drivers/slirp.h
+++ b/arch/um/drivers/slirp.h
@@ -24,8 +24,8 @@ struct slirp_data {
         struct arg_list_dummy_wrapper argw;
         int pid;
         int slave;
-        char ibuf[ENC_BUF_SIZE];
-        char obuf[ENC_BUF_SIZE];
+        unsigned char ibuf[ENC_BUF_SIZE];
+        unsigned char obuf[ENC_BUF_SIZE];
         int more; /* more data: do not read fd until ibuf has been drained */
         int pos;
         int esc;